1. Department of Obstetrics and Gynecology, Bagcilar Training and Research Hospital University of Health Sciences Istanbul Turkey
2. Department of Obstetrics and Gynecology Tekirdag Namik Kemal University Tekirdag / Turkey
3. Department of Obstetrics and Gynecology, Bakirkoy Dr. Sadi Konuk Training and Research Hospital University of Health Sciences Istanbul Turkey
4. Department of Obstetrics and Gynecology, Antalya Training and Research Hospital University of Health Sciences Antalya Turkey
5. Department of Obstetrics and Gynecology, Acibadem Mehmet Ali Aydinlar University Acibadem Bakirkoy Hospital Istanbul Turkey