1. Department of Gynecology, General Hospital of Thessaloniki "St. Dimitrios" Thessaloniki, Hellas, Greece
2. Department of Obstetrics and Gynecology, Aretaieion Hospital, Athens University, Athens, Greece
3. Department of Surgery, Ippokrateion General Hospital, Athens University, Athens, Greece
4. Department of Biologic Chemistry, Athens University, Athens, Greece
5. Experimental Research Centre ELPEN Pharmaceuticals, Pikermi, Greece
6. Experimental, Educational and Research Center ELPEN, Greece