[1] Aristotle Univ Thessaloniki, Papageorgiou Gen Hosp, Dept Obstet & Gynecol 1, Unit Reprod Endocrinol,Sch Med, Thessaloniki 56403, Greece
[2] Aristotle Univ Thessaloniki, Papageorgiou Gen Hosp, Dept Obstet & Gynecol 1, Human Reprod Unit,Med Sch, Thessaloniki 56403, Greece
[3] Azienda Osped, Dept Endocrinol, I-73100 Lecce, Italy