1. Department of Gynecology and Obstetrics University Medical Center Regensburg Regensburg Germany
2. Department of Gynecology and Obstetrics Otto‐von‐Guericke University Magdeburg Germany
3. Max Planck Institute for Biology of Ageing Cologne Germany
4. Gynecologic Oncology Unit Metropolitan Hospital Athens Greece
5. Department of Gynecology and Obstetrics Klinikum Magdeburg Magdeburg Germany