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.