[1] IRCCS Osped San Raffaele, Dept Pediat, Via Olgettina 60, I-20132 Milan, Italy
[2] IRCCS Osped San Raffaele, Diabet Res Inst OSR DRI, Via Olgettina 60, I-20132 Milan, Italy
[3] AO Papa Giovanni XXIII, Unit Endocrine Dis & Diabetol, Bergamo, Italy
[4] Univ Naples Federico II, Dept Clin Med & Surg, Naples, Italy
[5] ASL 3, Unit Diabetol & Endocrinol, PO Metropolitano, Genoa, Italy
[6] ASL Salerno, Dept Endocrinol & Diabetol, Salerno, Italy
[7] AO Spedali Civili, Unit Diabetol, Brescia, Italy
[8] AO Citta Salute & Sci, Div Endocrinol Diabetol & Metab, Turin, Italy
[9] Univ Naples 2, Dept Pediat, Naples, Italy
[10] Univ Turin, Dept Pediat, I-10124 Turin, Italy
[11] IRCCS Bambino Gesu Childrens Hosp, Unit Endocrinol & Diabet, Rome, Italy
[12] Univ Aldo Moro, Sect Internal Med Endocrinol Androl & Metab Dis, Dept Emergency & Organ Transplantat, Bari, Italy
[13] Univ Padua, Dept Med, DIMED, Metab Dis, Padua, Italy