1. Dept. Ob/Gyn, Acibadem Bakirkoy Hospital, Istanbul, Turkey
2. Department of Obstetrics and Gynecology, VM Medical Park Maltepe Hospital, Bahcesehir University, Istanbul, Turkey
3. Brussels IVF, Universitair Ziekenhuis Brussels, Brussels, Belgium
4. Department of Obstetrics and Gynecology, Mamak State Hospital, Mamak/Ankara, Turkey