Cohort Profile: The transition from childhood to adolescence in European children–how I.Family extends the IDEFICS cohort

The baseline data collection and the first follow-up work as part of the IDEFICS Study(www.idefics.eu) were financially supported by the European Commission within the Sixth RTD Framework Programme Contract No. 016181 (FOOD). The most recent follow-up was conducted in the framework of the I. Family study [www.ifamilystudy.eu] which was funded by the European Commission within the Seventh RTD Framework Programme Contract No. 266044 (KBBE 2010-14). Additional resources were invested by all participating partners. J.K. is supported by the Academy of Finland (grants #265240 & 263278). T.V. received the support of the Ministry of Education and Science, grant IUT 42-2. L.L. acknowledges the Swedish Research Councils (VR and Forte) for support of the IDEFICS and I. Family studies.