1 European Pediatric Association/Union of National European Pediatric Societies and Associations (EPA/UNEPSA), Berlin, Germany; Department of Pediatrics, Campus BioMedico University, Rome, Italy.
2 Department of Pediatrics, Catholic University of Sacred Hearth, Rome, Italy.
3 European Pediatric Association/Union of National European Pediatric Societies and Associations (EPA/UNEPSA), Berlin, Germany; Department of Pediatrics, University of Palermo, Palermo, Italy; Italian Academy of Pediatrics, Milan, Italy.
4 Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy.
5 European Pediatric Association/Union of National European Pediatric Societies and Associations (EPA/UNEPSA), Berlin, Germany; European Confederation of Primary Care Pediatrics, Lyon, France.
6 European Pediatric Association/Union of National European Pediatric Societies and Associations (EPA/UNEPSA), Berlin, Germany; Turkish Pediatric Association, Istanbul, Turkey.
7 European Pediatric Association/Union of National European Pediatric Societies and Associations (EPA/UNEPSA), Berlin, Germany.
8 European Pediatric Association/Union of National European Pediatric Societies and Associations (EPA/UNEPSA), Berlin, Germany; Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy.
9 European Pediatric Association/Union of National European Pediatric Societies and Associations (EPA/UNEPSA), Berlin, Germany; Association for the Scientific Research Activities, Neuchâtel, Switzerland.
10 European Pediatric Association/Union of National European Pediatric Societies and Associations (EPA/UNEPSA), Berlin, Germany; Italian Academy of Pediatrics, Milan, Italy; Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy; Association for the Scientific Research Activities, Neuchâtel, Switzerland. Electronic address: mpm@unifg.it.