1. Department of Obstetrics and Gynecology, Medical School University of Crete Heraklion Greece
2. Department of Histology and Embryology, Faculty of Medicine Gazi University Ankara Turkey
3. 3rd Department of Obstetrics and Gynecology, Medical School, Attikon Hospital National and Kapodistrian University of Athens Athens Greece
4. Department of Obstetrics and Gynecology, Faculty of Medicine Bahcesehir University Istanbul Turkey