[1] Natl & Kapodistrian Univ Athens, P&A Kyriakou Childrens Hosp, Dept Pediat 2, Diabet & Obes Unit, Athens, Greece
[2] Natl & Kapodistrian Univ Athens, Endocrine Unit, Athens, Greece
[3] Natl & Kapodistrian Univ Athens, Diabet Ctr, Dept Clin Therapeut, Alexandra Hosp,Sch Med, Athens, Greece
[4] Natl & Kapodistrian Univ Athens, Laikon Gen Hosp, Med Sch, Diabet Ctr,Dept Internal Med 1, Athens, Greece
[5] Natl & Kapodistrian Univ Athens, Attikon Gen Hosp, Dept Pediat 3, Diabet & Endocrine Clin, Athens, Greece