1. Department of Gynecology and Obstetrics, University of Heidelberg, 69120 Heidelberg, Germany
2. National Center for Tumor Diseases, University Hospital and German Cancer Research Center Heidelberg, 69120 Heidelberg, Germany
3. Young Academy of Gynecologic Oncology (JAGO), 13359 Berlin, Germany
4. Department of Gynecology, Center for Oncological Surgery, Campus Virchow Klinikum, Charite-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, 13353 Berlin, Germany
5. Department of Gynecology and Gynecologic Oncology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
6. Department of Obstetrics and Gynecology, University Medical Center Luebeck, 23562 Luebeck, Germany
7. Department of Obstetrics and Gynecology, University Hospital Brandenburg an der Havel, 14770 Brandenburg an der Havel, Germany