1. Department of Gynecology and Obstetrics, University Hospital Düsseldorf, Düsseldorf, Germany
2. Onkologie Aschaffenburg, Aschaffenburg, Germany
3. Department of Gynecology, Hamburg-Eppendorf University Medical Center, Hamburg, Germany
4. Immanuel Hospital Märkische Schweiz, Buckow; Medical University of Brandenburg Theodor-Fontane, Brandenburg, Germany
5. Gynäkologie und Geburtshilfe, Diakonissen-Stiftungs-Krankenhaus Speyer, Speyer, Germany
6. Erlangen University Hospital, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-EMN, Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany
7. Department of Gynecology and Obstetrics, Ulm University Hospital, Ulm, Germany
8. Department of Gynaecology, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
9. ClinSol GmbH & Co. KG, Würzburg, Germany
10. Clinic for Gynecology and Obstetrics, Breast Cancer Center, Gynecologic Oncology Center, Helios Klinikum Berlin Buch, Berlin, Germany
11. Agaplesion Markus Krankenhaus, Department of Gynecology and Gynecological Oncology, Frankfurt, Germany
12. Oncology Practice at Bethanien Hospital, Frankfurt am Main, Germany
13. Department of Gynecology and Obstetrics, University Hospital Augsburg, Augsburg, Germany
14. Klinik für Gynäkologie und Geburtshilfe, Frauenklinik St. Louise, Paderborn, St. Josefs-Krankenhaus, Salzkotten, St. Vincenz Krankenhaus GmbH, Paderborn, Germany
15. Department of Gynecology, University of Leipzig Medical Center, Leipzig, Germany
16. Department of Gynecology and Obstetrics, University Hospital Schleswig-Holstein, Campus Lübeck, Lübeck, Germany
17. Department of Gynecology and Obstetrics, University Hospital Essen, Essen, Germany
18. Department of Gynecology and Obstetrics, University Hospital Würzburg, Würzburg, Germany
19. Department of Gynecology and Obstetrics, Marienhospital Bottrop, Bottrop, Germany
20. Breast Center, Department of Gynecology and Obstetrics and CCC Munich LMU, LMU University Hospital, Munich, Germany
21. Department of Obstetrics and Gynecology, Center for Integrated Oncology (CIO Aachen, Bonn, Cologne, Düsseldorf), University Hospital of RWTH Aachen, Aachen, Germany