1. Department of Gynecology with Center for Oncological Surgery, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charité—Universitätsmedizin Berlin, 13353 Berlin, Germany
2. North-Eastern German Society for Gynecological Oncology (NOGGO), 13359 Berlin, Germany
3. Institute of Biometry and Clinical Epidemiology, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charité—Universitätsmedizin Berlin, 10117 Berlin, Germany
4. Department of Women’s Health, University Hospital Tübingen, 72076 Tübingen, Germany
5. Institut Català d’Oncologia, Medical Oncology Department, 17007 Girona, Spain
6. Precision Oncology Group, Institut d’Investigació Biomèdica de Girona, 17007 Girona, Spain
7. Medical Sciences Department, Universitat de Girona, 17003 Girona, Spain
8. Grupo Español de Investigación en Cáncer de Ovario (GEICO), 28003 Madrid, Spain
9. Department of Gynecology and Gynecologic Oncology, University Hospital of Basel, 4056 Basel, Switzerland
10. Swiss GO Trial Group (Swiss-GO), 4031 Basel, Switzerland
11. Department of Gynecology and Obstetrics, Ordensklinikum Barmherzige Schwestern Linz, 4020 Linz, Austria
12. Arbeitsgemeinschaft Gynaekologische Onkologie Austria (AGO Austria), 6020 Innsbruck, Austria
13. Department of Gynaecology, Obstetrics and Neonatology First Faculty of Medicine, Charles University and General University Hospital in Prague, 12 108 Prague, Czech Republic
14. General University Hospital in Prague, 12 808 Prague, Czech Republic
15. Central and Eastern European Gynecologic Oncology Group (CEEGOG), 128 51 Prague, Czech Republic
16. Department of Gynaecology and Obstetrics, Klinikum Chemnitz, 09116 Chemnitz, Germany
17. Institute of Oncology Prof. Dr. I. Chiricuta Cluj-Napoca, University of Medicine and Pharmacy Iuliu Hatieganu, 400015 Cluj-Napoca, Romania
18. Department of Gynecologic Oncology, Cukurova University, 01250 Adana, Turkey
19. Turkish Society of Gynecologic Oncology (TRSGO), Ovecler, 06450 Ankara, Turkey
20. Division of Gynaecological Oncology, Leuven Cancer Institute, University Hospitals Leuven, 3000 Leuven, Belgium
21. Belgium and Luxembourg Gynaecological Oncology Group (BGOG), 3000 Leuven, Belgium
22. Pan-Arabian Research Society of Gynecological Oncology (PARSGO), 13353 Berlin, Germany
23. Department of Gynecology and Obstetrics, Technische Universität Dresden, 01307 Dresden, Germany
24. Catalan Institute of Oncology—IDIBELL, L’Hospitalet-Barcelona, 08908 Barcelona, Spain
25. Department of Obstetrics and Gynecology, Innsbruck Medical University, 6020 Innsbruck, Austria
26. Gynecological Oncology Department, Wroclaw Medical University, 50-367 Wroclaw, Poland
27. Oncological Gynecology Department, Lower Silesian Oncology, Pulmonology and Hematology Center, 53-413 Wroclaw, Poland
28. Frauenklinik Fürth, 90766 Fürth, Germany