1. Department of Obstetrics and Gynaecology, School of Medicine, Ege University, Izmir, Turkey;
2. Department of Obstetrics and Gynaecology, School of Medicine, Dokuzeylul University, Izmir, Turkey;
3. Department of Histology and Embryology, School of Medicine, Mugla Sitki Kocman University, Mugla, Turkey;
4. Department of Physiology, School of Medicine, Istanbul Bilim University, Istanbul, Turkey