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

2017 . Siani, Alfonso | Adan, Roger | De Henauw, Stefaan | Eiben, Gabriele | Gwozdz, Wencke | Hunsberger, Monica | Kaprio, Jaakko | Krogh, Vittorio | Lissner, Lauren | Molnar, Dénes | Moreno, Luis A. | Page, Angie | Picó, Catalina | Reisch, Lucia A. | Smith, Rhonda M. | Tornaritis, Michael | Veidebaum, Toomas | Williams, Garrath | Pigeot, Iris | Ahrens, Wolfgang | Hebestreit, Antje | Pohlabeln, Hermann . The I.Family consortium