1. University of Health Sciences Turkey, Etlik Zubeyde Hanim Women’s Health Training and Research Hospital, Clinic of Obstetrics and Gynecology, Ankara, Turkey

2. University of Health Sciences Turkey, Etlik Zubeyde Hanim Women’s Health Training and Research Hospital, Clinic of Pathology, Ankara, Turkey

3. Hacettepe University Faculty of Medicine, Department of Biostatistics, Ankara, Turkey