1. Department of Maternal Fetal Medicine, Health Sciences University, Etlik Zubeyde Hanim Maternity and Research Hospital, Ankara, Turkey
2. Department of Obstetrics and Gynecology, Koc University School of Medicine, Istanbul, Turkey
3. Department of Obstetrics and Gynecology, Health Sciences University, Zeynep Kamil Women And Children’s Diseases Training And Research Hospital, Istanbul, Turkey