1. Department of Gynaecologic Oncology; The Netherlands Cancer Institute; Amsterdam The Netherlands
2. Department of Gynaecologic Oncology; Centre of Gynaecologic Oncology Amsterdam; Amsterdam The Netherlands
3. Department of Laboratory Medicine; Radboud University Medical Centre; Nijmegen The Netherlands
4. Department of Gynaecologic Oncology; Erasmus Medical Centre; Rotterdam The Netherlands
5. Department of Obstetrics and Gynaecology; Radboud University Medical Centre; Nijmegen The Netherlands