[1] Univ Padua, Dept Med & Surg Sci, Chair Metab Dis, Padua, Italy
[2] Univ Pisa, Dept Endocrinol & Metab Dis, Pisa, Italy
[3] Univ Padua, Dept Clin & Expt Med, Padua, Italy
[4] Diabetol Unit, Salerno, Italy
[5] Univ Florence, Dept Gynaecol Perinatol & Human Reprod, Florence, Italy
[6] Univ Roma La Sapienza, Rome, Italy
[7] Trento Hosp, Diabetol Unit, Trento, Italy
[8] Catania Univ, Dept Internal Med, Catania, Italy
[9] Univ Bari, Endocrinol Unit, Bari, Italy
[10] Univ Perugia, DMISEM, I-06100 Perugia, Italy
[11] Reggio Calabria Hosp, Diabetol Unit, Reggio Di Calabria, Italy