[1] IRCCS, Diabet Care Unit, Fdn Policlin Univ Agostino Gemelli, UOSD Diabetol, Rome, Italy
[2] IRCCS, San Raffaele Diabet Res Inst, Osped San Raffaele, Milan, Italy
[3] ARNAS, Diabet Unit, Catania, Italy
[4] Diabet Unit ASS2 Bassa Friulana Isontina, Udine, Monfalcone Go, Italy
[5] Univ G dAnnunzio, Endocrinol & Metab Dis, Chieti, Italy
[6] AUSL Diabet Unit Romagna, Ravenna, Italy
[7] Univ Federico II, Dept Translat Med Sci, Naples, Italy
[8] Univ Messina, Dept Human Pathol Adult & Dev Age Gaetano Barresi, Messina, Italy
[9] Univ City Hosp Verona, Reg Ctr Pediat Diabet, Verona, Italy
[10] ASST Fatebenefratelli Sacco, Div Endocrinol, Milan, Italy
[11] Polytech Univ Marche, Ctr Epidemiol & Biostat, Ancona, Italy
[12] Univ Bari Aldo Moro, Dept Emergency & Organ Transplantat, Sect Internal Med Endocrinol Androl & Metab Dis, Bari, Italy
[13] IRCCS, Div Pediat, San Raffaele Hosp, Milan, Italy
[14] Osped Maggiore Cremona, Div Pediat, ASST Cremona, Cremona, Italy
[15] Magna Graecia Univ Catanzaro, Dept Hlth Sci, Viale Europa Localita Germaneto, Catanzaro, Italy
[16] G Salesi Hosp, Dept Womens & Childrens Hlth, Ancona, Italy