1. Department of Obstetrics and Gynecology, Okan University School of Medicine, İstanbul, Turkey;
2. Department of Obstetrics and Gynecology, İstinye University School of Medicine, İstanbul, Turkey;
3. Department of Obstetrics and Gynecology, Bahçeşehir University School of Medicine, İstanbul, Turkey;
4. Department of Obstetrics and Gynecology, İstanbul Aydın University School of Medicine, İstanbul, Turkey