1 Italian Federation of Pediatricians, Rome, Italy.
2 European Confederation of Primary Care Paediatricians (EPCP), Lyon, France; Primary Care Health Centre Potosi, Madrid, Spain.
3 2nd Paediatric Clinic, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania; Romanian Society of Social Pediatrics, Cluj-Napoca, Romania; European Paediatric Association/Union of National European Paediatric Societies and Associations (EPA/UNEPSA), Berlin, Germany.
4 European Paediatric Association/Union of National European Paediatric Societies and Associations (EPA/UNEPSA), Berlin, Germany; Department of Pediatrics, Scientific Institute "Casa Sollievo della Sofferenza", University of Foggia, Foggia, Italy. Electronic address: mpm@unifg.it.
5 Italian Federation of Pediatricians, Rome, Italy; European Paediatric Association/Union of National European Paediatric Societies and Associations (EPA/UNEPSA), Berlin, Germany.