1. Department of Gynecology and Obstetrics, Marienhospital Bottrop, Bottrop, Germany
2. Department of Gynecology and Obstetrics, Ulm University Hospital, Ulm, Germany
3. Department of Gynecology and Obstetrics, University Hospital Düsseldorf, Düsseldorf, Germany
4. Onkologie Aschaffenburg, Aschaffenburg, Germany
5. Department of Gynecology, Hamburg-Eppendorf University Medical Center, Hamburg, Germany
6. Gynäkologie und Geburtshilfe, Diakonissen-Stiftungs-Krankenhaus Speyer, Speyer, Germany
7. Erlangen University Hospital, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-EMN, Friedrich-Alexander University Erlangen-Nuremberg, Erlangen,
Germany
8. Universitätsspital Zürich, Klinik für Gynäkologie, Zürich, Switzerland
9. Department of Gynaecology, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
10. ClinSol GmbH & Co. KG, Würzburg, Germany
11. Clinic for Gynecology and Obstetrics, Breast Cancer Center, Gynecologic Oncology Center, Helios Klinikum Berlin Buch, Berlin, Germany
12. Agaplesion Markus Krankenhaus, Department of Gynecology and Gynecological Oncology, Frankfurt am Main, Germany
13. Oncology Practice at Bethanien Hospital, Frankfurt am Main, Germany
14. Department of Gynecology and Obstetrics, University Hospital Augsburg, Augsburg, Germany
15. Klinik für Gynäkologie und Geburtshilfe, Frauenklinik St. Louise, Paderborn, St. Josefs-Krankenhaus, Salzkotten, St. Vincenz Krankenhaus GmbH, Paderborn, Germany
16. Department of Gynecology, University of Leipzig Medical Center, Leipzig, Germany
17. Department of Gynecology and Obstetrics, University Hospital Schleswig-Holstein, Campus Lübeck, Lübeck, Germany
18. Department of Gynecology and Obstetrics, University Hospital Essen, Essen, Germany
19. Department of Gynecology and Obstetrics, University Hospital Würzburg, Würzburg, 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
22. Medical University of Vienna, Department of Medicine I, Division of Oncology, Vienna, Austria
23. National Center for Tumor Diseases, University Hospital and German Cancer Research Center, Heidelberg, Germany
24. Klinikum Kempten, Klinikverbund Allgäu, Klinik für Frauenheilkunde und Gynäkologie, Kempten, Germany
25. Universitätsklinikum Schleswig-Holstein, Campus Kiel, Klinik für Strahlentherapie, Kiel, Germany
26. Department of Gynecology and Obstetrics, University Hospital Freiburg, Freiburg, Germany
27. Immanuel Hospital Märkische Schweiz, Buckow, Germany
28. Medical University of Brandenburg Theodor-Fontane, Brandenburg, Germany