1. Department of Obstetrics and Gynecology, Democritus University of Thrace, 68100 Alexandroupolis, Greece
2. Department of Laboratory of Experimental Surgery and Surgical Research, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
3. Renal Transplantation Unit, Laiko General Hospital, 11527 Athens, Greece
4. Department of Surgery, Sotiria Hospital, 11527 Athens, Greece
5. Neonatal Department, University Hospital Alexandra, 11528 Athens, Greece
6. Department of Obstetrics and Gynecology, National and Kapodistrian University of Athens, 11528 Athens, Greece
7. Department of Obstetrics and Gynecology, Rea Maternity Hospital, 17564 Athens, Greece