1. Department of Obstetrics and Gynecology, School of Medicine, Dicle University, Diyarbakir, Turkey,
2. Department of Obstetrics and Gynecology, School of Medicine, Harran University, Sanliurfa, Turkey,
3. Department of Obstetrics and Gynecology, School of Medicine, Fatih University, Istanbul, Turkey,
4. Department of Obstetrics and Gynecology, Memorial Hospital, Diyarbakir, Turkey, and
5. Department of Obstetrics and Gynecology, Private Batman Dunya Hospital, Batman, Turkey