1. Private Medar Hospital, Clinic of Obstetrics and Gynecology, Kocaeli, Turkey

2. Alanya Alaaddin Keykubat University Alanya Training and Research Hospital, Clinic of Obstetrics and Gynecology, Antalya, Turkey

3. Geyve State Hospital, Clinic of Obstetrics and Gynecology, Sakarya, Turkey

4. Zonguldak State Hospital, Clinic of Obstetrics and Gynecology, Zonguldak, Turkey

5. Kocaeli University Faculty of Medicine, Department of Obstetrics and Gynecology, Kocaeli, Turkey