1. Laboratory of Experimental Surgery and Surgical Research NS Christeas, National and Kapodistrian University of Athens, Medical School, Athens, Greece;
2. First Department of Obstetrics/Gynaecology, National and Kapodistrian University of Athens, Alexandra Hospital, Athens, Greece;
3. Third Department of Obstetrics/Gynaecology, National and Kapodistrian University of Athens, Attikon Hospital, Athens, Greece