1. Department of GynecologyErlangen University Hospital, Friedrich Alexander University Erlangen–Nuremberg, Comprehensive Cancer Center Erlangen‐EMN Erlangen Germany
2. Biostatistics Unit, Department of GynecologyErlangen University Hospital Erlangen Germany
3. Department of GynecologyUniversity of Tübingen Tübingen Germany
4. Department of GynecologyUlm University Hospital Ulm Germany
5. St. Theresien Hospital Nuremberg Germany
6. Oncological Medical Practice Pinneberg Pinneberg Germany
7. Breast Center, Department of Obstetrics and GynecologyCologne University Hospital Cologne Germany
8. Evangelisches Krankenhaus Kalk Cologne Germany
9. Breast Center, Department of Gynecology and Obstetrics and CCC MunichUniversity of Munich (LMU) Munich Germany
10. Department of GynecologyEssen University Hospital Essen Germany
11. Breast Unit, Essen Mitte ClinicsEvangelische Huyssens‐Stiftung/Knappschaft GmbH Essen Germany
12. Tuttlingen Clinic Tuttlingen Germany
13. Department of GynecologyMartin Luther University of Halle‐Wittenberg Halle (Saale) Germany
14. Helios Clinics Meiningen Meiningen Germany
15. Medical Center Ulm Ulm Germany
16. Department of GynecologyMainz University Hospital Mainz Germany
17. Agaplesion Diakonie Clinic Hamburg Hamburg Germany
18. Department of Gynecology and ObstetricsMarienhospital Bottrop Bottrop Germany
19. Department of GynecologyClinic of Chemnitz gGmbH Chemnitz Germany
20. Department of GynecologyLeopoldina Hospital Schweinfurt Schweinfurt Germany
21. Gynecologic Oncologic Practice Steinfeld‐Birg Augsburg Germany
22. Protestant County Hospital of Ludwigsfelde‐Teltow Ludwigsfelde‐Teltow Germany
23. Department of Gynecology and Obstetrics, Nuremberg General HospitalParacelsus Medical University Nuremberg Germany
24. Gynecologic Practice abts+partner Kiel Germany
25. Mittweida Hospital gGmbH Mittweida Germany
26. Department of GynecologyGFO Clinics Bonn Bonn Germany
27. Department of GynecologyHeinrich Heine University of Dusseldorf Dusseldorf Germany
28. Department of GynecologySchleswig‐Holstein University Hospital, Campus Lübeck Schleswig‐Holstein Germany
29. Department of GynecologySchleswig‐Holstein University Hospital, Campus Kiel Schleswig‐Holstein Germany