1 Department of Internal Medicine, "S. Maria delle Grazie" Hospital, 80078 Pozzuoli, Italy.
2 Department of Woman, Child and of General and Specialized Surgery, Università degli Studi della Campania "Luigi Vanvitelli", 80138 Napoli, Italy.
3 Neuro-Endocrine Diseases and Obesity Unit, Department of Neurosciences, Santobono-Pausilipon Children's Hospital, 80129 Naples, Italy.
4 Department of Human Pathology in Adulthood and Childhood, University of Messina, 98122 Messina, Italy.
5 Department of Surgery, Dentistry, Pediatrics and Gynecology, Section of Pediatric Diabetes and Metabolism, University and Azienda Ospedaliera Universitaria Integrata of Verona, 37126 Verona, Italy.
6 Pediatric Unit, Department of Precision and Regenerative Medicine and Ionian Area, University of Bari "Aldo Moro", 70124 Bari, Italy.
7 Department of Translational Medical Science, Section of Pediatrics, Regional Center of Pediatric Diabetes, University of Naples "Federico II", 80131 Napoli, Italy.
8 Pediatric Department, "V. Buzzi" Children's Hospital, 20154 Milano and Department of Internal Medicine, University of Pavia, 27100 Pavia, Italy.
9 Pediatric Department, Azienda Sanitaria Universitaria del Friuli Centrale, Hospital of Udine, 33100 Udine, Italy.
10 Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy.
11 Department of Cardiology, "S. Maria delle Grazie" Hospital, 80078 Pozzuoli, Italy.
12 Department of Medicine and Medical Specialties, A. Cardarelli Hospital, 80131 Naples, Italy.
13 Department of Medical, Movement and Wellbeing Sciences, University of Napoli "Parthenope", 80133 Napoli, Italy.