1. Department of Obstetrics and Gynecology, School of Medicine, Kutahya Health Sciences University, Kutahya, Turkey
2. Department of Statistics, Faculty of Arts and Sciences, Middle East Technical University, Ankara, Turkey
3. Department of Medical Biochemistry, School of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
4. Department of Medical Biochemistry, School of Medicine, Kutahya Health Sciences University, Kutahya, Turkey
5. Department of Medical Biochemistry, Faculty of Medicine, Istanbul Atlas University, Istanbul, Turkey