1. Division of Endocrinology, Department of Internal Medicine, University of Patras Medical School, University Hospital, Patras, Greece.
2. Hellenic Endocrine Society, Athens, Greece.
3. Department of Nuclear Medicine, University of Patras Medical School, University Hospital, Patras, Greece.
4. Endocrinological Dispensary of Baku, Baku, Azerbaijan.
5. Division of Reproductive Endocrinology, Department of Obstetrics and Gynecology, University of Patras Medical School, University Hospital, Patras, Greece.