1. Department of Obstetrics and Gynecology, Sehit Prof Dr Ilhan Varank Sancaktepe Training and Research Hospital, University of Health Sciences, Istanbul, Turkey
2. Department of Obstetrics and Gynecology, VM Medical Park Maltepe Hospital, Bahcesehir University, Istanbul, Turkey
3. Department of Obstetrics and Gynecology, Acibadem Bakirkoy Hospital, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey
4. Department of Obstetrics and Gynecology, Koc University, Istanbul, Turkey