1. Department of Obstetrics and Gynecology, Bakirkoy Dr. Sadi Konuk Training and Research Hospital, İstanbul, Turkey
2. Department of Obstetrics and Gynecology, Kanuni Sultan Süleyman Training and Research Hospital, İstanbul, Turkey
3. Department of Obstetrics and Gynecology, Kutahya Health Sciences University, Kutahya, Turkey
4. Department of Obstetrics and Gynecology, İzmir Tepecik Training and Research Hospital, İzmir, Turkey