1 European Pediatric Association, Union of National European Pediatric Societies and Associations, Berlin, Germany; Italian Academy of Pediatrics, Milan, Italy; Department of Pediatrics, Institute for Scientific Research «Casa Sollievo», University of Foggia, Foggia, Italy. Electronic address: mpm@unifg.it.
2 European Pediatric Association, Union of National European Pediatric Societies and Associations, Berlin, Germany; Albania Society of Pediatrics, Tirana, Albania.
3 European Pediatric Association, Union of National European Pediatric Societies and Associations, Berlin, Germany; Romanian Society of Social Pediatrics, Cluj-Napoca, Romania; Division of Pediatrics, Second Pediatric Clinic, University of Medicine and Pharmacy, Cluj-Napoca, Romania.
4 European Pediatric Association, Union of National European Pediatric Societies and Associations, Berlin, Germany; Department of Pediatrics, University of Health Sciences, Istanbul, Turkey; Department of Pediatrics, Istanbul University-Cerrahpaşa, Istanbul, Turkey; Turkish Pediatric Association, Istanbul, Turkey.
5 European Pediatric Association, Union of National European Pediatric Societies and Associations, Berlin, Germany; Italian Federation of Primary Care Pediatricians, Rome, Italy.
6 European Pediatric Association, Union of National European Pediatric Societies and Associations, Berlin, Germany; European Confederation of Primary Care Pediatricians, Lyon, France.