1. Department of Obstetrics and Gynecology, Health Sciences University, Gazi Yaşargil Training and Research Hospital, Diyarbakır, Turkey
2. Department of Perinatology, Health Sciences University, Antalya Training and Research Hospital, Antalya, Turkey
3. Department of Obstetrics and Gynecology, Health Sciences University, Kanuni Sultan Süleyman Training and Research Hospital, Istanbul, Turkey
4. Department of Perinatology, Health Sciences University, Kanuni Sultan Süleyman Training and Research Hospital, Istanbul, Turkey