1. Reproductive Endocrinology and IVF Unit; İstanbul University Cerrahpasa School of Medicine; Istanbul Turkey
2. Department of Obstetrics and Gynecology; Cumhuriyet University School of Medicine; Sivas Turkey
3. Istanbul Universitesi; Cerrahpasa Tip Fakultesi, Kadin Hastaliklari ve Dogum Anabilim Dali Istanbul Turkey