1 Division of Endocrinology and Diabetes, "Aghia Sophia" Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
2 Unit of Reproductive Endocrinology, First Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece.
3 First Department of Cardiology, "Hippokration" Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
4 Department of Endocrinology and Diabetes, Hellenic Red Cross Hospital, Athens, Greece.