1. Laboratory of Experimental Surgery and Surgical Research, National and Kapodistrian University of Athens, Athens, Greece;
2. 2nd Department of Obstetrics and Gynecology, Attikon University Hospital, National and Kapodistrian University of Athens, Athens, Greece;
3. 1st Department of Obstetrics and Gynecology, Alexandra University Hospital, National and Kapodistrian University of Athens, Athens, Greece