1. Department of Obstetrics and Gynecology, Zekai Tahir Burak Women’s Health Education and Research Hospital, Ankara, Turkey;
2. Department of Obstetrics and Gynecology, School of Medicine, Bozok University, Yozgat, Turkey;
3. Department of Obstetrics and Gynecology, School of Medicine, Akdeniz University, Antalya, Turkey