1 ACTIV, Association Clinique et Thérapeutique Infantile du Val-de-Marne, Créteil, France; Clinical Research Center (CRC), Centre Hospitalier Intercommunal de Créteil, Créteil, France; Université Paris Est, IMRB-GRC GEMINI, Créteil, France; AFPA, Association Française des Pédiatres Ambulatoires, Paris, France; European Pediatric Association-Union of National European Pediatric Societies and Associations, Berlin, Germany.
2 European Pediatric Association-Union of National European Pediatric Societies and Associations, Berlin, Germany; Italian Academy of Pediatrics, Milan, Italy. Electronic address: mpm@unifg.it.
3 European Pediatric Association-Union of National European Pediatric Societies and Associations, Berlin, Germany; Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel; Mayanei Hayeshuah Medical Center, Bnei Brak, Israel.