Responsibilities
Health registries. Growth and pubertal development. Overweight and obesity in children and adolescents.
Background
Pediatric endocrinologist.
Projects and publications
- Barnevekststudien 2010-2019: Kroppsmasseindeks og vektstatus og faktorer som har sammenheng med vektutvikling hos norske barn.
- Forebyggelse av helseproblemer hos småbarn og skolebarn
- Forekomst og betydning av søvnvansker hos barn
- Hjerte- og karsykdommer etter behandling for prostatakreft
- Menns risikofaktorer for uønsket svangerskapsutfall
- Sikker COVID-19 vaksinering under svangerskapet
- Vekststudien i Bergen 1: Tidlig barnevekst og identifisering av kritiske aldre for utvikling av overvekt hos barn og unge
- Yngvild Sørebø Danielsen, Hanna Flækøy Skjåkødegård, Marit Mongstad, Sigurd William Hystad, Sven J. G. Olsson, Malin Kleppe, Pétur Benedikt Juliusson, Bente Frisk, (2022). Objectively measured physical activity among treatment seeking children and adolescents with severe obesity and normal weight peers. Obesity Science & Practice s. 1-10. doi: 10.1002/osp4.624
- Benjamin Matthew Clarsen, Magne Nylenna, Søren Toksvig Klitkou, Stein Emil Vollset, Carl Michael Baravelli, Anette Kocbach Bølling, Gunn Marit Aasvang, Gerhard Sulo, Mohsen Naghavi, Maja Pasovic, Muhammad Asaduzzaman, Tone Bjørge, Anne Elise Eggen, Terje Andreas Eikemo, Christian Lycke Ellingsen, Øystein Ariansen Haaland, Alemayehu Hailu, Shoaib Hassan, Simon I. Hay, Pétur Benedikt Juliusson, Adnan Kisa, Sezer Kisa, Johan Månsson, Teferi Mekonnen Yitayew, Christopher J L Murray, Ole Frithjof Norheim, Trygve Ottersen, Dominic Sagoe, Kam Sripada, Andrea Sylvia Winkler, Ann Kristin Skrindo Knudsen, (2022). Changes in life expectancy and disease burden in Norway, 1990–2019: an analysis of the Global Burden of Disease Study 2019. The Lancet Public Health s. e593-e605. doi: 10.1016/S2468-2667(22)00092-5
- Andre Madsen, Bjørg Almås, Ingvild Særvold Bruserud, Ninnie Helen Bakken Oehme, Christopher Sivert Nielsen, Mathieu Roelants, Thomas Eckhard Hundhausen, Marie Lindhardt Ljubicic, Robert Bjerknes, Gunnar Mellgren, Jørn Vegard Sagen, Pétur Benedikt Juliusson, Kristin Viste, (2022). Reference Curves for Pediatric Endocrinology: Leveraging Biomarker Z-Scores for Clinical Classifications. Journal of Clinical Endocrinology and Metabolism (JCEM) s. 2004-2015. doi: 10.1210/clinem/dgac155
- Ingrid Revheim, Melissa Rajini Balthasar, Rupali Rajendra Akerkar, Kristine Marie Stangenes, Grethe Almenning, Eva Nygaard, Trond Jacob Markestad, Simon Nygaard Øverland, Mathieu Roelants, Pétur Benedikt Juliusson, (2022). Trends in the prevalence of breastfeeding up to 6 months of age using structured data from routine child healthcare visits. Acta Paediatrica s. 1-6. doi: 10.1111/apa.16367
- Hanna Flækøy Skjåkødegård, Rachel P. K. Conlon, Sigurd William Hystad, Mathieu Roelants, Sven J. G. Olsson, Bente Frisk, Denise E. Wilfley, Yngvild Sørebø Danielsen, Pétur Benedikt Juliusson, (2022). Family-based treatment of children with severe obesity in a public healthcare setting: Results from a randomized controlled trial. Clinical Obesity doi: 10.1111/cob.12513
- Øyvind Helgeland, Marc Vaudel, Pol Sole-Navais, Christopher Flatley, Julius Juodakis, Jonas Bacelis, Ingvild Koløen, Gun Peggy Strømstad Knudsen, Bente Berg Johansson, Per Minor Magnus, Ted Reichborn-Kjennerud, Pétur Benedikt Juliusson, Camilla Stoltenberg, Oddgeir Lingaas Holmen, Ole Andreassen, Bo Jacobsson, Pål Rasmus Njølstad, Stefan Johansson, (2022). Characterization of the genetic architecture of infant and early childhood body mass index. Nature Metabolism s. 344-358. doi: 10.1038/s42255-022-00549-1
- Tone Engen, Katrine Mari Owe, Julie Horn, Gerhard Sulo, Øyvind Erik Næss, Pétur Benedikt Juliusson, Nils-Halvdan Morken, Grace Margrethe Egeland, (2022). Preconception leisure-time physical activity and family history of stroke and myocardial infarction associate with preterm delivery: findings from a Norwegian cohort. BMC Pregnancy and Childbirth doi: 10.1186/s12884-022-04528-y
- Bente Øvrebø, Tonje Holte Stea, Ingunn Holden Bergh, Elling Tufte Bere, Pål Suren, Per Minor Magnus, Pétur Benedikt Juliusson, Andrew Keith Wills, (2022). A nationwide school fruit and vegetable policy and childhood and adolescent overweight: A quasi-natural experimental study. PLoS Medicine s. 1-24. doi: 10.1371/journal.pmed.1003881
- Ingunn Bratland Romuld, Tine-Lise Kalleklev, Janne Molnes, Pétur Benedikt Juliusson, Pål Rasmus Njølstad, Jørn Vegard Sagen, (2021). Impact of overweight on glucose homeostasis in MODY2 and MODY3. Diabetic Medicine doi: 10.1111/dme.14649
- Guttorm Raknes, Marianne Sørlie Strøm, Gerhard Sulo, Simon Nygaard Øverland, Mathieu Roelants, Pétur Benedikt Juliusson, (2021). Lockdown and non-COVID-19 deaths: Cause-specific mortality during the first wave of the 2020 pandemic in Norway: A population-based register study. BMJ Open s. 1-10. doi: 10.1136/bmjopen-2021-050525
- Ximena Ramos Salas, Marta Buoncristiano, Julianne Williams, Maryam Kebbe, Angela Spinelli, Paola Nardone, Ana Rito, Vesselka Duleva, Sanja Musić Milanović, Marie Kunesova, Radka Taxová Braunerová, Tatjana Hejgaard, Mette Rasmussen, Lela Shengelia, Shynar Abdrakhmanova, Akbota Abildina, Zhamyila Usuopva, Jolanda Hyska, Genc Burazeri, Aušra Petrauskiene, Iveta Pudule, Victoria Farrugia Sant'Angelo, Enisa Kujundzic, Anna Fijałkowska, Alexandra Cucu, Lacramioara Aurelia Brinduse, Valentina Peterkova, Elena Bogova, Andrea Gualtieri, Marta García Solano, Enrique Gutiérrez-González, Sanavbar Rakhmatullaeva, Maya Tanrygulyyeva, Nazan Yardim, Daniel Weghuber, Päivi Mäki, Kenisha Russell Jonsson, Gregor Starc, Pétur Benedikt Juliusson, Mirjam M. Heinen, Cecily Kelleher, Sergej Ostojic, Stevo Popovic, Viktoria Anna Kovacs, Dilorom Akhmedova, Nathalie J. Farpour-Lambert, Harry Rutter, Bai Li, Khadichamo Boymatova, Ivo Rakovac, Kremlin Wickramasinghe, Joao Breda, (2021). Parental Perceptions of Children's Weight Status in 22 Countries: The WHO European Childhood Obesity Surveillance Initiative: COSI 2015/2017. Obesity Facts s. 658-674. doi: 10.1159/000517586
- Yngvild Sørebø Danielsen, Hanna Flækøy Skjåkødegård, Bjørn Bjorvatn, Pétur Benedikt Juliusson, Ståle Pallesen, (2021). Polysomnographic comparison of sleep in children with obesity and normal weight without suspected sleep-related breathing disorder. Clinical Obesity doi: 10.1111/cob.12493
- Cecilie Svanes, Randi Jacobsen Bertelsen, Simone Accordini, John W. Holloway, Pétur Benedikt Juliusson, Eistine Boateng, Susanne Krauss-Etchmann, Vivi Schlünssen, Francisco Gomez Real, Svein Magne Skulstad, (2021). Exposures during the prepuberty period and future offspring's health: evidence from human cohort studies. Biology of Reproduction s. 667-680. doi: 10.1093/biolre/ioab158
- Maria Christine Magnus, Laura L. Oakley, Håkon K. Gjessing, Olof Stephansson, Hilde Marie Engjom, Ferenc Macsali, Pétur Benedikt Juliusson, Anne-Marie Nybo Andersen, Siri Eldevik Håberg, (2021). Pregnancy and risk of COVID-19: a Norwegian registry-linkage study. BJOG: An International Journal of Obstetrics and Gynaecology s. 101-109. doi: 10.1111/1471-0528.16969
- Joseph L. Ward, Peter S. Azzopardi, Kate Louise Francis, John S. Santelli, Vegard Fykse Skirbekk, Susan M. Sawyer, Nicholas J. Kassebaum, Ali H. Mokdad, Simon I. Hay, Foad Abd-Allah, Amir Abdoli, Mohammad Abdollahi, Aidin Abedi, Hassan Abolhassani, Lucas Guimarães Abreu, Michael R.M. Abrigo, Eman Abu-Gharbieh, Abdelrahman I. Abushouk, Oladimeji M. Adebayo, Victor Adekanmbi, Davoud Adham, Shailesh M. Advani, Khashayar Afshari, Anurag Agrawal, Tauseef Ahmad, Keivan Ahmadi, Anwar E Ahmed, Budi Aji, Blessing Akombi-Inyang, Fares Alahdab, Ziyad Al-Aly, Khurshid Alam, Fahad Mashhour Alanezi, Turki M Alanzi, Jacqueline Elizabeth Alcalde-Rabanal, Biresaw Wassihun Alemu, Samar Al-Hajj, Robert K Alhassan, Saqib Ali, Mehran Alijanzadeh, Gianfranco Alicandro, Syed Mohamed Aljunid, Amir Almasi-Hashiani, Nihad A. Almasri, Pétur Benedikt Juliusson, Adnan Kisa, Sezer Kisa, Simon Nygaard Øverland, George C. Patton, Russell M. Viner, (2021). Global, regional, and national mortality among young people aged 10–24 years, 1950–2019: a systematic analysis for the Global Burden of Disease Study 2019. The Lancet s. 1593-1618. doi: 10.1016/S0140-6736(21)01546-4
- Liv Guro Engen Hanem, Øyvind Salvesen, Andre Madsen, Jørn Vegard Sagen, Gunnar Mellgren, Pétur Benedikt Juliusson, Sven Magnus Carlsen, Eszter Vanky, Rønnaug Ødegård, (2021). Maternal PCOS status and metformin in pregnancy: Steroid hormones in 5–10 years old children from the PregMet randomized controlled study. PLOS ONE s. 1-14. doi: 10.1371/journal.pone.0257186
- Hilde Marie Engjom, Anna J. M. Aabakke, Kari Klungsøyr, Teresia Svanvik, Outi Äyräs, Eva Jonasdottir, Lars Thurn, Elin Jones, Karin Pettersson, Lill Trine Nyfløt, Iqbal Ahmad Abdelwahab Al-Zirqi, Siri Vangen, Pétur Benedikt Juliusson, Karin Källén, Mika Gissler, Lone Krebs, (2021). COVID‐19 in pregnancy – characteristics and outcomes of pregnant women admitted to hospital because of SARS‐CoV‐2 infection in the Nordic countries. Acta Obstetricia et Gynecologica Scandinavica s. 1611-1619. doi: 10.1111/aogs.14160
- Bente Øvrebø, Ingunn Holden Bergh, Tonje Holte Stea, Elling Bere, Pål Surén, Per Minor Magnus, Pétur Benedikt Juliusson, Andrew Keith Wills, (2021). Overweight, obesity, and thinness among a nationally representative sample of Norwegian adolescents and changes from childhood: Associations with sex, region, and population density. PLOS ONE doi: 10.1371/journal.pone.0255699
- Angela Spinelli, Marta Buoncristiano, Paola Nardone, Gregor Starc, Tatjana Hejgaard, Pétur Benedikt Juliusson, Anne-Siri Fismen, Daniel Weghuber, Sanja Musić Milanović, Marta García-Solano, Harry Rutter, Ivo Rakovac, Alexandra Cucu, Lacramioara Aurelia Brinduse, Ana I. Rito, Viktoria Anna Kovacs, Mirjam Heinen, Eha Nurk, Päivi Mäki, Shynar Abdrakhmanova, Sanavbar Rakhmatulleoeva, Vesselka Duleva, Victoria Farrugia Sant'Angelo, Anna Fijałkowska, Andrea Gualtieri, Elena Sacchini, Maria Hassapidou, Jolanda Hyska, Cecily Kelleher, Enisa Kujundžić, Marie Kunešová, Eliza Markidou Ioannidou, Sergej M. Ostojic, Valentina A. Peterkova, Ausra Petrauskiene, Stevo Popović, Iveta Pudule, Kenisha Russell Jonsson, Maria Ángeles Dal-Re Saavedra, Benoit Salanave, Lela Shengelia, Igor Spiroski, Maya Tanrygulyyeva, Ľubica Tichá, Zhamilya Usupova, Lütfiye Hilal Ozcebe, Akbota Abildina, Karin Schindler, Martin W. Weber, Aida Filipović Hadžiomeragić, Marina Melkumova, Dragana Stojisavljević, Khadichamo Boymatova, Julianne Williams, João Breda, (2021). Thinness, overweight, and obesity in 6- to 9-year-old children from 36 countries: The World Health Organization European Childhood Obesity Surveillance Initiative—COSI 2015–2017. Obesity Reviews doi: 10.1111/obr.13214
- Hilde Mjell Donkor, Helene Toxe, Jørgen Hurum, Robert Bjerknes, Geir Egil Eide, Pétur Benedikt Juliusson, Trond Jacob Markestad, (2021). Psychological health in preschool children with underweight, overweight or obesity: A regional cohort study. BMJ Paediatrics Open doi: 10.1136/bmjpo-2020-000881
- Grethe Åstrøm Ueland, Ralf Kellmann, Melissa Davidsen Jørstad, Kristin Viste, Eystein Sverre Husebye, Bjørg Almås, Helen L. Storr, Jørn Vegard Sagen, Gunnar Mellgren, Pétur Benedikt Juliusson, Paal Methlie, (2021). Bedtime Salivary Cortisol as a Screening Test for Cushing Syndrome in Children. Journal of the Endocrine Society (JES) s. 1-8. doi: 10.1210/jendso/bvab033
- Ingvild Bruun Mikalsen, Thomas Halvorsen, Pétur Benedikt Juliusson, Maria Christine Magnus, Wenche Nystad, Trine Stensrud, Ketil Størdal, Maria Vollsæter, Knut Asbjørn Alexander Øymar, (2021). Early life growth and associations with lung function and bronchial hyperresponsiveness at 11-years of age. Respiratory Medicine s. 1-8. doi: 10.1016/j.rmed.2021.106305
- Ninnie Helen Bakken Oehme, Mathieu Roelants, Ingvild Særvold Bruserud, Andre Madsen, Robert Bjerknes, Karen Rosendahl, Pétur Benedikt Juliusson, (2021). Low BMI, but not high BMI, influences the timing of puberty in boys. Andrology s. 837-845. doi: 10.1111/andr.12985
- Tilman R. Rohrer, Jennifer Abuzzahab, Philippe Backeljauw, Anna Camilla Birkegård, Joanna Blair, Jovanna Dahlgren, Petur Benedikt Juliusson, Vlady Ostrow, Alberto Pietropoli, Michel Polak, Alicia Romanov, Judith Ross, Lars Sävendahl, Bradley S. Miller, (2021). Long-Term Effectiveness and Safety of Childhood Growth Hormone Treatment in Noonan Syndrome. Hormone Research in Paediatrics s. 380-395. doi: 10.1159/000512429
- Maria Christine Magnus, Allen J. Wilcox, Elin Anita Fadum, Håkon Gjessing, Signe Opdahl, Petur Benedikt Juliusson, Liv Bente Bergem Romundstad, Siri Eldevik Håberg, (2021). Growth in children conceived by ART. Human Reproduction s. 1074-1082. doi: 10.1093/humrep/deab007
- Rune Kvåle, Kaare Harald Bønaa, Rachel Bedenis Forster, Kirsten Midttun Gravningen, Pétur Benedikt Juliusson, Tor Åge Myklebust, (2020). Hva betyr tidligere hjerte- og karsykdom eller kreft for risiko for død etter påvist SARS-CoV-2?. Tidsskrift for Den norske legeforening s. 135-140. doi: 10.4045/tidsskr.20.0956
- Ninnie Oehme, Ingvild Særvold Bruserud, Andre Madsen, Petur Benedikt Juliusson, (2020). Starter puberteten tidligere enn før?. Tidsskrift for Den norske legeforening s. 1-5. doi: 10.4045/tidsskr.20.0043
- Andre Madsen, Ninnie Oehme, Mathieu Roelants, Ingvild Særvold Bruserud, Geir Egil Eide, Kristin Viste, Robert Bjerknes, Bjørg Almås, Karen Rosendahl, Jørn V. Sagen, Gunnar Mellgren, Petur Benedikt Juliusson, (2020). Testicular Ultrasound to Stratify Hormone References in a Cross-Sectional Norwegian Study of Male Puberty . Journal of Clinical Endocrinology and Metabolism (JCEM) s. 1888-1898. doi: 10.1210/clinem/dgz094
- Lasse Bang, Christian Krog Tamnes, Linn Christin Bonaventure Norbom, Rut Anne Thomassen, Jill Solberg, LAILA HOLGERSEN SKOTTE, Petur Benedikt Juliusson, Magnus Mejlænder-Evjensvold, Øyvind Rø, (2020). Associations of age, body mass index and biochemical parameters with brain morphology in patients with anorexia nervosa. European Eating Disorders Review s. 74-85. doi: 10.1002/erv.2803
- Kasper Schei, Melanie Rae Simpson, Ekaterina Avershina, Knut Rudi, Torbjørn Øien, Petur Benedikt Juliusson, David Underhill, Saideh Salamati, Rønnaug Ødegård, (2020). Early gut fungal and bacterial microbiota and childhood growth. Frontiers in pediatrics s. 1-11. doi: 10.3389/fped.2020.572538
- Rut Anne Thomassen, Janne Anita Kvammen, Camilla Sæland, Christina Kjeserud, Joakim Eikeland, Petur Benedikt Juliusson, Beint Sigmund Bentsen, Christine Henriksen, (2020). Micronutrients in paediatric Intestinal Failure Patients receiving home parenteral nutrition. Clinical Nutrition s. 3452-3460. doi: 10.1016/j.clnu.2020.02.039
- Jøran Hjelmesæth, Jens Kristoffer Hertel, Ane Hjetland Holt, Beate Benestad, Lars Thomas Seeberg, Morten Lindberg, Erling Halvorsen, Petur Benedikt Juliusson, Rune Sandbu, Samira Lekhal, (2020). Laparoskopisk gastrisk bypassoperasjon versus livsstilsbehandling av unge med sykelig overvekt. Tidsskrift for Den norske legeforening doi: 10.4045/tidsskr.20.0526
- Andre Madsen, Ingvild Særvold Bruserud, Bjørn-Erik Bertelsen, Mathieu Roelants, Ninnie Oehme, Kristin Viste, Robert Bjerknes, Bjørg Almås, Karen Rosendahl, Gunnar Mellgren, Jørn V. Sagen, Petur Benedikt Juliusson, (2020). Hormone references for ultrasound breast staging and endocrine profiling to detect female onset of puberty. Journal of Clinical Endocrinology and Metabolism (JCEM) s. e4886-e4895. doi: 10.1210/clinem/dgaa679
- Hanna Flækøy Skjåkødegård, Yngvild Sørebø Danielsen, Bente Frisk, Sigurd William Hystad, Mathieu Roelants, Ståle Pallesen, Rachel Conlon, Denise E. Wilfley, Petur Benedikt Juliusson, (2020). Beyond sleep duration: Sleep timing as a risk factor for childhood obesity. Pediatric Obesity doi: 10.1111/ijpo.12698
- Asborg Sine Aanstad Bjertnæs, Catherine Schwinger, Petur Benedikt Juliusson, Tor A Strand, Mads Nikolaj Holten-Andersen, Kjersti Sletten Bakken, (2020). Health-related behaviors in adolescents mediate the association between subjective social status and body mass index. International Journal of Environmental Research and Public Health (IJERPH) s. 1-16. doi: 10.3390/ijerph17197307
- Siren Berland, Bjørn Ivar Haukanes, Petur Benedikt Juliusson, Gunnar Houge, (2020). Deep exploration of a CDKN1C mutation causing a mixture of Beckwith-Wiedemann and IMAGe syndromes revealed a novel transcript associated with developmental delay.. Journal of Medical Genetics s. 155-164. doi: 10.1136/jmedgenet-2020-107401
- Janne Anita Kvammen, Rut Anne Thomassen, Christina Kjeserud, Camilla Sæland, Kristin Godang, Jens Bollerslev, Per Medbøe Thorsby, Petur Benedikt Juliusson, Beint Sigmund Bentsen, Christine Henriksen, (2020). Bone mineral density and vitamin D in paediatric intestinal failure patients receiving home parenteral nutrition. Clinical Nutrition ESPEN s. 234-241. doi: 10.1016/j.clnesp.2020.06.006
- Vilde Aabel Skodvin, Samira Lekhal, Kristin Garpestad Kommedal, Beate Benestad, Hanna Flækøy Skjåkødegård, Yngvild Sørebø Danielsen, Sara-Rebekka Færø Linde, Mathieu Roelants, Jens Kristoffer Hertel, Jøran Hjelmesæth, Petur Benedikt Juliusson, (2020). Livsstilsbehandling av barn og ungdom med alvorlig fedme – resultater etter ett år. Tidsskrift for Den norske legeforening doi: 10.4045/tidsskr.19.0682
- Ingvild Særvold Bruserud, Mathieu Roelants, Ninnie Oehme, Andre Madsen, Geir Egil Eide, Robert Bjerknes, Karen Rosendahl, Petur Benedikt Juliusson, (2020). References for ultrasound staging of breast maturation, tanner breast staging, pubic hair, and menarche in Norwegian girls. Journal of Clinical Endocrinology and Metabolism (JCEM) s. 1599-1607. doi: 10.1210/clinem/dgaa107
- Ninnie Oehme, Mathieu Roelants, Ingvild Særvold Bruserud, Andre Madsen, Geir Egil Eide, Robert Bjerknes, Karen Rosendahl, Petur Benedikt Juliusson, (2020). Reference data for testicular volume measured with ultrasound and pubic hair in Norwegian boys are comparable with Northern European populations. Acta Paediatrica s. 1612-1619. doi: 10.1111/apa.15159
- Hilde Mjell Donkor, Jacob Holter Grundt, Petur Benedikt Juliusson, Geir Egil Eide, Jørgen Hurum, Robert Bjerknes, Trond Jacob Markestad, (2019). A family‐oriented intervention programme to curtail obesity from five years of age had no effect over no intervention. Acta Paediatrica s. 1-9. doi: 10.1111/apa.15080
- Petur Benedikt Juliusson, Atli Dagbjartsson, Mathieu Roelants, Gestur Ingvi Pálsson, Hildigunnur Fridjonsdottir, Rosa Einarsdóttir, Árni V. Thórsson, (2019). Larger head circumference in Icelandic children 0-4 years of age compared to the World Health Organization and Swedish growth charts. Acta Paediatrica s. 1-6. doi: 10.1111/apa.15103
- Andre Madsen, Ninnie Oehme, Mathieu Roelants, Ingvild Særvold Bruserud, Geir Egil Eide, Kristin Viste, Robert Bjerknes, Bjørg Almås, Karen Rosendahl, Jørn V. Sagen, Gunnar Mellgren, Petur Benedikt Juliusson, (2019). Testicular ultrasound to stratify hormone references in a cross-sectional Norwegian study of male puberty. Journal of Clinical Endocrinology and Metabolism (JCEM) doi: 10.1210/clinem/dgz094
- Hege Kristiansen, Mathieu Roelants, Robert Bjerknes, Petur Benedikt Juliusson, (2019). Norwegian children and adolescents in blended families are at risk of larger one-year BMI increments. Acta Paediatrica s. 1-8. doi: 10.1111/apa.15019
- Asborg Sine Aanstad Bjertnæs, Jacob Holter Grundt, Petur Benedikt Juliusson, Trond Jacob Markestad, Tor A Strand, Mads Nikolaj Holten-Andersen, (2019). Sex-related change in BMI of 15- to 16-year-old Norwegian girls in cross-sectional studies in 2002 and 2017. BMC Pediatrics s. 1-9. doi: 10.1186/s12887-019-1790-2
- Ann Kristin Knudsen, Peter Allebeck, Mette Christophersen Tollånes, Jens Christoffer Skogen, Kim Moesgaard Iburg, John J. McGrath, Knud Juel, Emilie Elisabet Agardh, Johan Ärnlöv, Tone Bjørge, Juan J. Carrero, Christopher R. Cederroth, Anne Elise Eggen, Ziad El-Khatib, Christian Lycke Ellingsen, Seyed-Mohammad Fereshtehnejad, Mika Gissler, Kishor Hadkhale, Rasmus Havmoeller, Lars Johansson, Petur Benedikt Juliusson, Aliasghar A. Kiadaliri, Sezer Kisa, Adnan Kisa, Tea Lallukka, Teferi Mekonnen Yitayew, Tuomo J. Meretoja, Atte Meretoja, Mohsen Naghavi, Subas Neupane, Truc Trung Nguyen, Max Petzold, Oleguer Plana-Ripoll, Rahman Shiri, Rannveig Sigurvinsdottir, Vegard Fykse Skirbekk, Søren T. Skou, Inga Dora Sigfusdottir, Timothy J. Steiner, Gerhard Sulo, Thomas Clement Truelsen, Tommi Juhani Vasankari, Elisabete Weiderpass, Stein Emil Vollset, Theo Vos, Simon Nygaard Øverland, (2019). Life expectancy and disease burden in the Nordic countries: results from the Global Burden of Diseases, Injuries, and Risk Factors Study 2017. The Lancet Public Health s. e658-e669. doi: 10.1016/S2468-2667(19)30224-5
- Øyvind Helgeland, Marc Vaudel, Petur Benedikt Juliusson, Oddgeir Lingaas Holmen, Julius Juodakis, Jonas Bacelis, Bo Jacobsson, Haakon Lindekleiv, Kristian Hveem, Rolv T. Lie, Gun Peggy Strømstad Knudsen, Camilla Stoltenberg, Per Magnus, Jørn V. Sagen, Anders Molven, Stefan Johansson, Pål Rasmus Njølstad, (2019). Genome-wide association study reveals dynamic role of genetic variation in infant and early childhood growth. Nature Communications s. 1-10. doi: 10.1038/s41467-019-12308-0
- Asborg Sine Aanstad Bjertnæs, Jacob Holter Grundt, Hilde Mjell Donkor, Petur Benedikt Juliusson, Tore Wentzel-Larsen, Arild Vaktskjold, Trond Markestad, Mads Nikolaj Holten-Andersen, (2019). No significant associations between breastfeeding practices and overweight in 8-year-old children. Acta Paediatrica s. 109-114. doi: 10.1111/apa.14937
- Mette Engan, Maria Vollsæter, Knut Øymar, Trond Markestad, Geir Egil Eide, Thomas Halvorsen, Petur Benedikt Juliusson, Hege Synnøve Havstad Clemm, (2019). Comparison of physical activity and body composition in a cohort of children born extremely preterm or with extremely low birth weight to matched term-born controls: a follow-up study. BMJ Paediatrics Open s. 1-11. doi: 10.1136/bmjpo-2019-000481
- Lucy Bownass, Stephen Abbs, Ruth Armstrong, Genevieve Baujat, Gry Inger N Behzadi, Ragnhild Drage Berentsen, Christine Burren, Alistar Calder, Valérie Cormier-Dairé, Ruth Newbury-Ecob, Nicola Foulds, Petur Benedikt Juliusson, Sarina G. Kant, Henrietta Lefroy, Sarju G. Mehta, Else Merckoll, Caroline Michot, Fergal Monsell, Amaka C. Offiah, Allan Richards, Karen Rosendahl, Cecilie Rustad, Deborah Shears, Kristian Tveten, Diana Wellesley, Paul Wordsworth, Sarah Smithson, (2019). PAPSS2-related brachyolmia: Clinical and radiological phenotype in 18 new cases. American Journal of Medical Genetics. Part A s. 1884-1894. doi: 10.1002/ajmg.a.61282
- Hanne Lund Løkling, Mathieu Roelants, Kristin Garpestad Kommedal, Hanna Flækøy Skjåkødegård, Ellen M Apalset, Beate Benestad, Mette Helvik Morken, Jøran Hjelmesæth, Petur Benedikt Juliusson, (2019). Monitoring children and adolescents with severe obesity: body mass index (BMI), BMI z-score or percentage above the International Obesity Task Force overweight cut-off?. Acta Paediatrica s. 2261-2266. doi: 10.1111/apa.14898
- Liv Guro Engen Hanem, Øyvind Salvesen, Petur Benedikt Juliusson, Sven Magnus Carlsen, Marit Cecilie Fonn Nossum, Marte Vaage Øie, Rønnaug Ødegård, Eszter Vanky, (2019). Intrauterine metformin exposure and offspring cardiometabolic risk factors (PedMet study): a 5-10 year follow-up of the PregMet randomised controlled trial. The Lancet Child and Adolescent Health s. 166-174. doi: 10.1016/S2352-4642(18)30385-7
- Anders Batman Mjelle, Anesa Mulabecirovic, Roald Flesland Havre, Karen Rosendahl, Petur Benedikt Juliusson, Edda Jonina Olafsdottir, Odd Helge Gilja, Mette Vesterhus, (2019). Normal Liver Stiffness Values in Children: A Comparison of Three Different Elastography Methods. Journal of Pediatric Gastroenterology and Nutrition - JPGN s. 706-712. doi: 10.1097/MPG.0000000000002320
- Marius Kløvgaard, Nina Odgaard Nielsen, Thomas Lund Sørensen, Peter Bjerregaard, Britta Olsen, Petur Benedikt Juliusson, Mathieu Roelants, Henrik Thybo Christesen, (2018). Growth of children in Greenland exceeds the World Health Organization growth charts. Acta Paediatrica s. 1953-1965. doi: 10.1111/apa.14369
- Hege Kristiansen, Geir Egil Eide, Bente Brannsether-Ellingsen, Mathieu Roelants, Robert Bjerknes, Petur Benedikt Juliusson, (2018). Associations between different weight-related anthropometric traits and lifestyle factors in Norwegian children and adolescents: A case for measuring skinfolds. American Journal of Human Biology s. 1-10. doi: 10.1002/ajhb.23187
- Ragnhild Drage Berentsen, Bjørn Ivar Haukanes, Petur Benedikt Juliusson, Karen Rosendahl, Gunnar Houge, (2018). A Novel GDF6 Mutation in a Family with Multiple Synostoses Syndrome without Hearing Loss. Molecular Syndromology s. 1-7. doi: 10.1159/000492418
- Ingun Toftemo, Anne Karen Jenum, Per Lagerløv, Petur Benedikt Juliusson, Ragnhild Sørum Falk, Line Sletner, (2018). Contrasting patterns of overweight and thinness among preschool children of different ethnic groups in Norway, and relations with maternal and early life factors. BMC Public Health s. 1-10. doi: 10.1186/s12889-018-5952-1
- Beate Benestad, Petur Benedikt Juliusson, Wolfgang Siegfried, Samira Lekhal, Milada Cvancarova Småstuen, Jens Kristoffer Hertel, Fiorenza Agosti, Nicoletta Marazzi, Jøran Hjelmesæth, Alessandro Sartorio, (2018). Cardiometabolic risk factors differ among adolescents with obesity in three European countries - a cross sectional study. Acta Paediatrica s. 493-501. doi: 10.1111/apa.14542
- Karen Rosendahl, Ingvild Særvold Bruserud, Ninnie Oehme, Petur Benedikt Juliusson, Laura Tanturri de Horatio, Lil-Sofie Ording Müller, Silvia Magni-Manzoni, (2018). Normative ultrasound references for the paediatric wrist; Dorsal soft tissues. RMD Open s. 1-6. doi: 10.1136/rmdopen-2017-000642
- Ninnie Oehme, Mathieu Roelants, Ingvild Særvold Bruserud, Geir Egil Eide, Robert Bjerknes, Karen Rosendahl, Petur Benedikt Juliusson, (2018). Ultrasound-based measurements of testicular volume in 6- to 16-year-old boys — intra- and interobserver agreement and comparison with Prader orchidometry. Pediatric Radiology s. 1771-1778. doi: 10.1007/s00247-018-4195-8
- Ingvild Særvold Bruserud, Mathieu Roelants, Ninnie Oehme, Geir Egil Eide, Robert Bjerknes, Karen Rosendahl, Petur Benedikt Juliusson, (2018). Ultrasound assessment of pubertal breast development in girls: intra- and interobserver agreement. Pediatric Radiology s. 1576-1583. doi: 10.1007/s00247-018-4188-7
- Pamela Bowman, Åsta Nordsveen Sulen, Fabrizio Barbetti, Jacques Beltrand, Pernille Svalastoga, Ethel Codner, Ellen H. Tessmann, Petur Benedikt Juliusson, Torild Skrivarhaug, Ewan R. Pearson, Sarah E. Flanagan, Tarig Babiker, Nicholas J. Thomas, Maggie H. Shepherd, Sian Ellard, Iwar Klimes, Magdalena Szopa, Michel Polak, Dario Iafusco, Andrew T. Hattersley, Pål Rasmus Njølstad, (2018). Effectiveness and safety of long-term treatment with sulfonylureas in patients with neonatal diabetes due to KCNJ11 mutations: an international cohort study. The Lancet Diabetes and Endocrinology s. 637-646. doi: 10.1016/S2213-8587(18)30106-2
- Liv Guro Engen Hanem, Solhild Stridsklev, Petur Benedikt Juliusson, Øyvind Salvesen, Mathieu Roelants, Sven Magnus Carlsen, Rønnaug Ødegård, Eszter Vanky, (2018). Metformin use in PCOS pregnancies increases the risk of offspring overweight at 4 years of age: follow-up of two RCTs. Journal of Clinical Endocrinology and Metabolism (JCEM) s. 1612-1621. doi: 10.1210/jc.2017-02419
- Kristine Kjer Byberg, Ingvild Bruun Mikalsen, Geir Egil Eide, Michele R. Forman, Petur Benedikt Juliusson, Knut Øymar, (2018). The associations between weight-related anthropometrics during childhood and lung function in late childhood: A retrospective cohort study. BMC Pulmonary Medicine s. 1-13. doi: 10.1186/s12890-017-0567-3
- Lisa Ah Fung Ha, Petur Benedikt Juliusson, Line Kristin Johnson, Jens Kristoffer Hertel, Samira Lekhal, Jøran Hjelmesæth, (2018). Gender-related differences in cardiometabolic risk factors and lifestyle behaviors in treatment-seeking adolescents with severe obesity. BMC Pediatrics s. 1-8. doi: 10.1186/s12887-018-1057-3
- Hilde Mjell Donkor, Jacob Holter Grundt, Petur Benedikt Juliusson, Geir Egil Eide, Jørgen Hurum, Robert Bjerknes, Trond Markestad, (2017). Social and somatic determinants of underweight, overweight and obesity at five years of age: A Norwegian regional cohort study. BMJ Open doi: 10.1136/bmjopen-2016-014548
- Petur Benedikt Juliusson, Mathieu Roelants, Beate Benestad, Samira Lekhal, Yngvild Sørebø Danielsen, Jøran Hjelmesæth, Jens Kristoffer Hertel, (2017). Severe obesity is a limitation for the use of body mass index standard deviation scores in children and adolescents. Acta Paediatrica s. 307-314. doi: 10.1111/apa.14113
- Kristine Kjer Byberg, Knut Øymar, Geir Egil Eide, Michele R. Forman, Petur Benedikt Juliusson, (2017). Exposure to preeclampsia in utero affects growth from birth to late childhood dependent on child's sex and severity of exposure: Follow-up of a nested case-control study. PLOS ONE s. 1-15. doi: 10.1371/journal.pone.0176627
- Heiko Bratke, Ingvild Særvold Bruserud, Bente Brannsether-Ellingsen, Jörg Assmus, Robert Bjerknes, Mathieu Roelants, Petur Benedikt Juliusson, (2017). Timing of menarche in Norwegian girls: Associations with body mass index, waist circumference and skinfold thickness. BMC Pediatrics s. 1-6. doi: 10.1186/s12887-017-0893-x
- Bente Berg Johansson, Henrik Underthun Irgens, Janne Molnes, Pawel Szymon Sztromwasser, Ingvild Aukrust, Petur Benedikt Juliusson, Oddmund Søvik, Shawn Levy, Torild Skrivarhaug, Geir Joner, Anders Molven, Stefan Johansson, Pål Rasmus Njølstad, (2017). Targeted next-generation sequencing reveals MODY in up to 6.5% of antibody-negative diabetes cases listed in the Norwegian Childhood Diabetes Registry. Diabetologia s. 625-635. doi: 10.1007/s00125-016-4167-1
- Bente Brannsether-Ellingsen, Geir Egil Eide, Mathieu Roelants, Robert Bjerknes, Petur Benedikt Juliusson, (2016). BMI and BMI SDS in childhood: annual increments and conditional change. Annals of Human Biology s. 28-33. doi: 10.3109/03014460.2016.1151933
- Kristine Kjer Byberg, Geir Egil Eide, Michele R. Forman, Petur Benedikt Juliusson, Knut Øymar, (2016). Body mass index and physical activity in early childhood are associated with atopic sensitization, atopic dermatitis and asthma in later childhoo. Clinical and Translational Allergy s. 1-9. doi: 10.1186/s13601-016-0124-9
- Rut Anne Thomassen, Janne Anita Kvammen, Mari Borge Eskerud, Petur Benedikt Juliusson, Christine Henriksen, Jarle Rugtveit, (2016). Iodine status and growth in 0-2-year-old infants with cow's milk protein allergy. Journal of Pediatric Gastroenterology and Nutrition - JPGN s. 806-811. doi: 10.1097/MPG.0000000000001434
- Elin Wahl Blakstad, Sissel Moltu, Britt Nakstad, Marit Bragelien Veierød, Kenneth Strømmen, Petur Benedikt Juliusson, Astrid Almaas, Arild Erlend Rønnestad, Kristin Brække, Christian A Drevon, Per Ole Iversen, (2016). Enhanced nutrition improves growth and increases blood adiponectin concentrations in very low birth weight infants :. Food & Nutrition Research s. 1-11. doi: 10.3402/fnr.v60.33171
- Hanna Flækøy Skjåkødegård, Yngvild Sørebø Danielsen, Mette Helvik Morken, Sara-Rebekka Færø Linde, Rachel P. Kolko, Katherine N. Balantekin, Denise E. Wilfley, Petur Benedikt Juliusson, (2016). Study Protocol: A randomized controlled trial evaluating the effect of family-based behavioral treatment of childhood and adolescent obesity–The FABO-study. BMC Public Health s. 1-9. doi: 10.1186/s12889-016-3755-9
- Henrik Thybo Christesen, Birgitte Tønnes Pedersen, Effie Pournara, Isabelle Oliver Petit, Petur Benedikt Juliusson, (2016). Short stature: Comparison of WHO and national growth standards/references for height. PLOS ONE doi: 10.1371/journal.pone.0157277
- Ephrem Bililigne Amare, Mari Idsøe, Miriam Wiksnes, Thomas Totland Moss, Mathieu Roelants, Damte Shimelis, Petur Benedikt Juliusson, Torvid Kiserud, Knut Wester, (2015). Reference ranges for head circumference in ethiopian children 0-2 years of age. World Neurosurgery s. 1566-1571. doi: 10.1016/j.wneu.2015.08.045
- Mette Løkeland-Stai, Rupali Rajendra Akerkar, Olaug Margrete Askeland, Linda Askvik Faugstad, Guri Sundgot Halvorsen, Rannveig Heiberg-Andersen, Mona Tornensis Hornæs, Pétur Benedikt Juliusson, Amund Berg, (2022). Rapport om svangerskapsavbrot 2021 Register over svangerskapsavbrot (Abortregisteret)
- Mette Løkeland-Stai, Rupali Rajendra Akerkar, Olaug Margrete Askeland, Linda Askvik Faugstad, Guri Sundgot Halvorsen, Rannveig Heiberg-Andersen, Mona Tornensis Hornæs, Pétur Benedikt Juliusson, Øystein Aalstad Jonasson, (2021). Rapport om svangerskapsavbrot 2020. Register over svangerskapsavbrot (Abortregisteret)
- Rupali Rajendra Akerkar, Olaug Margrete Askeland, Rannveig Heiberg-Andersen, Mona Tornensis Hornæs, Petur Benedikt Juliusson, Øystein Aalstad Jonasson, Ingvei Helen Seliussen, Mette Løkeland-Stai, (2020). Register over svangerskapsavbrot 2019 (Abortregisteret)
- Mette Løkeland-Stai, Rupali Rajendra Akerkar, Olaug Margrete Askeland, Mona Tornensis Hornæs, Rannveig Heiberg-Andersen, Pétur Benedikt Juliusson, Yngve Pedersen, Ingvei Helen Seliussen, (2019). Register over svangerskapsavbrot (Abortregisteret): Rapport om svangerskapsavbrot for 2018
- Bente Øvrebø, Marte Karoline Råberg Kjøllesdal, Tonje Holte Stea, Andrew Keith Wills, Elling Tufte Bere, Pål Suren, Per Minor Magnus, Pétur Benedikt Juliusson, Ingunn Holden Bergh, (2022). Prevalence of overweight, obesity and central adiposity among children with immigrant background in Norway.
- Johannes Rolin, Rønnaug Ødegård, Viktoria Vedeler Amundsen, Unni Mette Køpp, Ane Sofie Kokkvoll, Pétur Benedikt Juliusson, Jøran Sture Hjelmesæth, (2022). Medikamentell tilleggsbehandling for vektreduksjon hos ungdom med alvorlig fedme. Tidsskrift for Den norske legeforening s. 1-3. doi: 10.4045/tidsskr.22.0540
- Ferenc Macsali, Kristine Marie Stangenes, Olaug Margrete Askeland, Pétur Júlíusson, Pétur Benedikt Juliusson, Anne Cathrine Staff, (2021). Fødselsstatistikken 2019, nr 2. Fødselsnytt s. 1-4.
- Hanna Flækøy Skjåkødegård, Pétur Benedikt Juliusson, Ingvild Særvold Bruserud, Sigurd William Hystad, Bente Frisk, Yngvild Sørebø Danielsen, (2021). Barriers experienced in Family-based cognitive behavioural treatment of childhood obesity and pre-mature drop-out from treatment.
- Hanna Flækøy Skjåkødegård, Yngvild Sørebø Danielsen, Sigurd William Hystad, Malin M. Kleppe, Gustav Olsson, Pétur Benedikt Juliusson, Bente Frisk, (2021). Late Sleep Timing, and Less Organized Sport are Related to Lower Physical Activity Levels in Children and Adolescents with Severe Obesity. Annals of Nutrition and Metabolism s. 14-14. doi: 10.1159/000520153
- Eleni Zoumpoulia Papadopoulou, Line Småstuen Haug, Jérémie Botton, Ida Henriette Caspersen, Kelly K. Ferguson, Gro Dehli Villanger, Pétur Benedikt Juliusson, Anne Lise Brantsæter, (2020). Prenatal exposure to PFASs and child growth trajectories in the Norwegian MoBa study .
- Anne Kjersti Daltveit, Mette Løkeland-Stai, Kristine Marie Stangenes, Rupali Rajenda Akerkar, Olaug Margrete Askeland, Pétur Benedikt Júlíusson, Petur Benedikt Juliusson, (2020). Færre vert gravide. Tidsskrift for Den norske legeforening s. 1-5. doi: 10.4045/tidsskr.19.0725
- Hilde Marie Engjom, Petur Benedikt Juliusson, (2020). Sars-CoV-2-infeksjon under svangerskapet. Tidsskrift for Den norske legeforening s. 1-3. doi: 10.4045/tidsskr.20.0489
- Janne Anita Kvammen, Rut Anne Thomassen, Christina Kjeserud, Camilla Sæland, Kristin Godang, Per Medbøe Thorsby, Jens Bollerslev, Petur Benedikt Juliusson, Beint Sigmund Bentsen, Christine Henriksen, (2019). Bone health and vitamin D in paediatric intestinal failure patients receiving home parenteral nutrition.
- Hanna Flækøy Skjåkødegård, Yngvild Sørebø Danielsen, Sven J. G. Olsson, Malin Kleppe, Ståle Pallesen, Denise E. Wilfley, Rachel Conlon, Petur Benedikt Juliusson, (2018). Beyond Sleep Duration:Sleep Timing as a Risk Factor for Childhood Obesity. .
- Yngvild Sørebø Danielsen, Solveig Dittmann, Veronica Rødø, Sigurd William Hystad, Hanna Flækøy Skjåkødegård, Vilde Abel Skodvin, Petur Benedikt Juliusson, (2017). Disordered Eating in Children and Adolescents with Severe Obesity: Pre-post Changes During Family-Based Behavioural Treatment for Obesity.. Acta Paediatrica s. 34-40. doi: 10.111/apa.14045
- Yngvild Sørebø Danielsen, Martine Jomark, Marit Guntveit, Sigurd William Hystad, Hanna Flækøy Skjåkødegård, Vilde Abel Skodvin, Petur Benedikt Juliusson, (2017). Family-based behavioural treatment for childhood and adolescent obesity: Are parenting practices and parental cohabitation associated with pre-post changes in BMI Standard Deviation Score (BMI-SDS) during treatment?. Acta Paediatrica s. 19-33.
- Petur Benedikt Juliusson, Jøran Hjelmesæth, Robert Bjerknes, Mathieu Roelants, (2017). Nye kurver for kroppsmasseindeks blant barn og unge. Tidsskrift for Den norske legeforening s. 1397-1398. doi: 10.4045/tidsskr.17.0570
- Kristin Kommedal, Mathieu Roelants, Hanna Flækøy Skjåkødegård, Yngvild Sørebø Danielsen, Mette Helvik Morken, Petur Benedikt Juliusson, (2017). Lifestyle treatment of children and adolescents with obesity in Bergen, Norway: Impact of follow-up frequency and self-monitoring during the first year.. Obesity Facts s. 240-240.
- Bente Brannsether, Mathieu Roelants, Robert Bjerknes, Petur Benedikt Juliusson, (2016). Nye referansekurver for vektrelaterte kroppsmål hos barn. Tidsskrift for Den norske legeforening s. 1828-1830. doi: 10.4045/tidsskr.16.0574
- Sara-Rebekka Færøe Linde, Yngvild Sørebø Danielsen, Hanna Flækøy Skjåkødegård, Rachel Kolko, Denise Wilfley, Petur Benedikt Juliusson, (2015). Family-based behavioural treatment of obesity-The FABO-study. Acta Paediatrica s. 22-22. doi: 10.1111/apa.13158/epdf
- Ingebjørg Lingaas Holmen, Anne Marte Nordlie Myren, Sigurd William Hystad, Petur Benedikt Juliusson, Yngvild Sørebø Danielsen, (2015). Mental health problems as predictors of weight change from adolescence to young adulthood, 11 years follow-up. The HUNT-study Norway.. Acta Paediatrica s. 10-10. doi: 10.1111/apa.13158/epdf
- Jøran Hjelmesæth, Samira Lekhal, Petur Benedikt Juliusson, (2015). Debatt: Fedme er ingen spøk. Bergens Tidende