International Childhood Cancer Cohort Consortium (I4C)
I4C is a 20 year global consortium providing an exceptionally strong foundation for discovering the origins of cancer from childhood through young adulthood, drawing on 1.5 million participants and extensive biological and environmental data from 12 birth cohorts.
Our projects integrate registry data, questionnaires and biological samples from large birth cohorts, with cases identified via health registries and hospital records and all data anonymised.
Find everything you need to collaborate with I4C or become a member here! This manual guides the governance of I4C and the execution of its projects.
The National Cancer Center (NCC) of Korea hosted a successful and well-attended 2-day symposium in October 2025, organized by professor Eunhee Ha and her staff.
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