[1] Natl & Kapodistrian Univ Athens, Div Endocrinol & Diabet, Aghia Sophia Hosp, Sch Med, Athens 11527, Greece
[2] European Univ Cyprus, Sch Med, Nicosia, Cyprus
[3] Aristotle Univ Thessaloniki, Div Endocrinol & Metab, Ctr Diabet, Dept Internal Med 1,AHEPA Univ Hosp,Med Sch, Thessaloniki, Greece
[4] Aristotle Univ Thessaloniki, Unit Reprod Endocrinol, Dept Obstet & Gynecol 1, Sch Med, Thessaloniki, Greece