1. Center for Gynecologic Oncology, Amsterdam, Netherlands;
2. Netherlands Cancer Institute, Amsterdam, Netherlands;
3. Sint-Antonius Hospital, Nieuwegein, Netherlands;
4. UMC Utrecht Cancer Center, Utrecht, Netherlands;
5. Catharina Hospital, Eindhoven, Netherlands;
6. Department of Gynaecology, University Medical Center Groningen, Groningen, Netherlands;
7. Radboud University Medical Center, Nijmegen, Netherlands;
8. Netherlands Cancer Institute, Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands;
9. Aarhus University Hospital, Aarhus, Denmark;
10. The Netherlands Cancer Institute, Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands;