1 European Pediatric Association/Union of National European Paediatric Societies and Associations (EPA/UNEPSA), Berlin, Germany; Association pour l'Activité et la Recherche Scìentifiques, Neouchatel, Switzerland; Albanian Society of Pediatrics, Tirana, Albania.
2 European Pediatric Association/Union of National European Paediatric Societies and Associations (EPA/UNEPSA), Berlin, Germany; Association pour l'Activité et la Recherche Scìentifiques, Neouchatel, Switzerland; Turkish Pediatric Association, Istanbul, Turkey.
3 European Pediatric Association/Union of National European Paediatric Societies and Associations (EPA/UNEPSA), Berlin, Germany; Association pour l'Activité et la Recherche Scìentifiques, Neouchatel, Switzerland; Romanian Society of Social Pediatrics, Cluj-Napoca, Romania; Iuliu Hatieganu University of Medicine and Pharmacy Cluj-Napoca, Cluj, Romania.
4 European Pediatric Association/Union of National European Paediatric Societies and Associations (EPA/UNEPSA), Berlin, Germany; Association pour l'Activité et la Recherche Scìentifiques, Neouchatel, Switzerland; European Confederation of Primary Care Pediatricians, Lyon, France.
5 Association pour l'Activité et la Recherche Scìentifiques, Neouchatel, Switzerland; Scientific Institute "Casa Sollievo della Sofferenza", University of Foggia, Foggia, Italy.
6 European Pediatric Association/Union of National European Paediatric Societies and Associations (EPA/UNEPSA), Berlin, Germany; Scientific Institute "Casa Sollievo della Sofferenza", University of Foggia, Foggia, Italy.
7 European Pediatric Association/Union of National European Paediatric Societies and Associations (EPA/UNEPSA), Berlin, Germany; Association pour l'Activité et la Recherche Scìentifiques, Neouchatel, Switzerland; Scientific Institute "Casa Sollievo della Sofferenza", University of Foggia, Foggia, Italy; Italian Academy of Pediatrics, Milan, Italy. Electronic address: mpm@unifg.it.