1. Department of Obstetrics and Gynecology, Erciyes University Medicine Faculty, Kayseri, Turkey
2. Department of Obstetrics and Gynecology, Kayseri City Hospital, Kayseri, Turkey
3. Department of Obstetrics and Gynecology, Tuzla Government Hospital, Istanbul, Turkey
4. Department of Biochemistry Clinic, Erciyes University Medicine Facility, Kayseri, Turkey