1. Clinic of Obstetrics and Gynecology, Ordu University Training and Research Hospital, Ordu, Turkey

2. Clinic of Obstetrics and Gynecology, Şanlıurfa Training and Research Hospital, Şanlıurfa, Turkey

3. Department of Obstetrics and Gynecology, Çukurova University Faculty of Medicine, Adana, Turkey

4. Department of Obstetrics and Gynecology, Erciyes University Faculty of Medicine, Kayseri, Turkey

5. Clinic of Obstetrics and Gynecology, University of Health Sciences Turkey, Kanuni Sultan Süleyman Training and Research Hospital, İstanbul, Turkey

6. Clinic of Obstetrics and Gynecology, Bakırköy Dr. Sadi Konuk Training and Research Hospital, İstanbul, Turkey

7. Department of Obstetrics and Gynecology, İstanbul University-Cerrahpaşa, Cerrahpaşa Faculty of Medicine, İstanbul, Turkey

8. Department of Obstetrics and Gynecology, Manisa Celal Bayar University Faculty of Medicine, Manisa, Turkey

9. Department of Obstetrics and Gynecology, İstanbul University İstanbul Faculty of Medicine, İstanbul, Turkey