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; Albanian Society of Pediatrics, Tirana, Albania.
3 European Pediatric Association, Union of National European Pediatric societies and Associations, Berlin, Germany; Department of Clinical and Experimental Sciences, University of Foggia, Foggia, Italy.
4 European Pediatric Association, Union of National European Pediatric societies and Associations, Berlin, Germany; Romanian Society of Social Pediatrics, Cluj, Romania; Second Pediatric Clinic, "Iuliu Haţieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania.
5 European Pediatric Association, Union of National European Pediatric societies and Associations, Berlin, Germany; Union European Neonatal and Perinatal Societies, Milan, Italy.
6 European Pediatric Association, Union of National European Pediatric societies and Associations, Berlin, Germany; Department of Pediatrics, Institute for Scientific Research «Casa Sollievo», University of Foggia, Foggia, Italy.
7 European Pediatric Association, Union of National European Pediatric societies and Associations, Berlin, Germany; Department of Pediatrics, Cerrapasha University, Istanbul, Turkey; Turkish Pediatric Association, Istanbul, Turkey.