1. Department of Obstetrics and Gynecology, University of Health Sciences Ankara City Hospital, Ankara, Turkey
2. Ankara Medical Park Hospital, Department of Obstetrics and Gynecology, Ankara, Turkey
3. Department of Obstetrics and Gynecology, University of Health Sciences, Etlik Zübeyde Hanım, Education and Research Hospital, Ankara, Turkey
4. Department of Obstetrics and Gynecology, Near East University, Cyprus