1. Health Sciences University Kanuni Sultan Suleyman Training and Research Hospital, Istanbul, Turkey;
2. Obstetrics and Gynecology Department, Suleyman Demirel University, Faculty of Medicine, Istanbul, Turkey;
3. Department of Obstetrics and Gynecology, Maternal-Fetal Medicine Unit, Health Sciences University Kanuni Sultan Suleyman Training and Research Hospital, School of Medicine, University of Saglik Bilimleri, Istanbul, Turkey;
4. Eyup State Hospital, Department of Biochemistry, Istanbul, Turkey