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