[1] Univ Milan, Osped Luigi Sacco, Azienda Osped, Dept Pediat, I-20157 Milan, Italy
[2] AOU Salesi Hosp, Dept Woman & Child Hlth, Reg Ctr Diabet Children & Adolescents, I-60123 Ancona, Italy
[3] Univ G dAnnunzio, Ctr Pediat Diabetol, I-66100 Chieti, Italy
[4] Univ Vita Salute San Raffaele, Sci Inst Hosp San Raffaele, Dept Pediat, Endocrine Unit, I-20132 Milan, Italy
[5] UOSD Pediat Diabetol, I-80072 Monteruscello Pozzuoli, NA, Italy
[6] UOS Pediat Diabetol ARNAS Civ Cristina, Dept Pediat, I-90134 Palermo, Italy
[7] IRCCS G Gaslini Inst, Pediat Clin, I-16147 Genoa, Italy
[8] Brotzu Hosp, Unit Pediat Diabet, I-09134 Cagliari, Italy
[9] Univ Messina, Dept Pediat Sci, I-98123 Messina, Italy
[10] Univ Padua, Dept Woman & Child Hlth, I-35128 Padua, Italy
[11] Univ Turin, Dept Pediat, I-10126 Turin, Italy
[12] Bambino Gesu Pediat Hosp, Univ Dept Pediat Med, Endocrinol & Diabet Unit, I-00165 Rome, Italy
[13] Anna Meyer Childrens Hosp, Juvenile Diabet Ctr, I-50132 Florence, Italy
[14] St Orsola Marcello Malpighi Hosp, Dept Pediat, I-40138 Bologna, Italy
[15] Univ Naples 2, Dept Pediat, I-80138 Naples, Italy