1. Divison of Perinatology, Antalya Research and Education Hospital, Antalya, Turkey
2. Department of Gynecology and Obstetrics, Eyyübiye Education and Research Hospital, Şanliurfa, Turkey
3. Divison of Gynecology and Obstetrics, Private Medical Practice, Diyarbakir, Turkey
4. Department of Histology and Embryology, Faculty of Medicine, Dicle University, Diyarbakir, Turkey.