[1] Univ Roma Tor Vergata, Dept Syst Med, S Giovanni Calibita Fatebenefratelli Hosp, Unit Endocrinol Diabet & Metab, Rome, Italy
[2] IRCCS GB Bietti Fdn, Rome, Italy
[3] Bambino Gesu Pediat Hosp, Diabet Unit, IRCCS, Rome, Italy
[4] MedStar Washington Hosp Ctr, Div Endocrinol, MedStar Hlth Res Inst, Washington, DC USA
[5] Fatebenefratelli Fdn Hlth Res & Educ, AFaR Div, Serv Med Stat & Informat Technol, Rome, Italy