1. Gyn‐medicum Center for Reproductive Medicine Göttingen Germany
2. Women's Reproductive Health Research Center Tabriz University of Medical Sciences Tabriz Iran
3. Department of Reproductive Biology, Faculty of Advanced Medical Sciences Tabriz University of Medical Sciences Tabriz Iran
4. abts+partner Frauenärzte am Gänsemarkt Neumünster Germany
5. Department of Gynaecology and Obstetrics University Hospitals Schleswig‐Holstein, Campus Kiel Germany