1. Department of Obstetrics and Gynecology, University of Health Sciences, Dr Lütfi Kırdar Kartal Training and Research Hospital, İstanbul, Turkey
2. Department of Obstetrics and Gynecology, University of Health Sciences, Sultan Abdülhamid Han Training and Research Hospital, İstanbul, Turkey
3. Department of Family Medicine, University of Health Sciences, Dr Lütfi Kırdar Kartal Training and Research Hospital, İstanbul, Turkey
4. Department of Obstetrics and Gynecology, University of Health Sciences, Zeynep Kamil Women’s and Children’s Disease Training and Research Hospital, İstanbul, Turkey
5. Department of Pathology, University of Health Sciences, Dr Lütfi Kırdar Kartal Training and Research Hospital, İstanbul, Turkey
6. Department of Biochemistry, University of Health Sciences, Dr Lütfi Kırdar Kartal Training and Research Hospital, İstanbul, Turkey