1. 2nd Department of Obstetrics and Gynecology, University of Athens, Aretaieio Hospital, Athens, Greece;
2. Department of Therapeutics, University of Athens, Alexandra Hospital, Athens, Greece;
3. Hormonal and Biochemical Laboratory, University of Athens, Aretaieio Hospital, Athens, Greece;
4. 1st Department of Surgery, National and Kapodestrian University of Athens, Medical School, Laiko General Hospital, Athens, Greece;
5. Department of Cardiology, Alexandra Hospital, Athens, Greece