1. Laboratory of Experimental Surgery and Surgical Research N.S Christeas, National and Kapodistrian University of Athens, Athens, Greece
2. 1st Department of Obstetrics and Gynecology, Alexandra Hospital, National and Kapodistrian University of Athens, Athinon, Greece
3. 3rd Department of Obstetrics and Gynecology, Attikon University Hospital, National and Kapodistrian University of Athens, Chaidari, Greece