1. Department of Obstetrics and Gynecology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
2. Department of Obstetrics and Gynecology, Sehit Prof. Dr. Ilhan Varank Sancaktepe Training and Research Hospital, University of Health Sciences Turkey, Istanbul, Turkey
3. Department of Obstetrics and Gynecology, Basaksehir Cam and Sakura City Hospital, Istanbul, Turkey
4. Department of Obstetrics and Gynecology, Şişli Hamidiye Etfal Training and Research Hospital, İstanbul, Turkey
5. Department of Obstetrics and Gynecology, Etlik Zubeyde Hanim Women’s Health Training and Research Hospital, University of Health Sciences, Ankara, Turkey
6. Carl von Ossietzky Oldenburg University, University Hospital for Gynecology and Obstetrics, Oldenburg, Germany