1. Department of Gynecology; Netherlands Cancer Institute - Antoni van Leeuwenhoek (in collaboratation within the Centre for Gynecologic Oncology Amsterdam (CGOA)); Amsterdam the Netherlands
2. Department of Obstetrics and Gynecology; VU University Medical Center (in collaboratation within the Centre for Gynecologic Oncology Amsterdam (CGOA)); Amsterdam the Netherlands
3. Department of Obstetrics and Gynecology; Amsterdam Medical Center (in collaboratation within the Centre for Gynecologic Oncology Amsterdam (CGOA)); Amsterdam the Netherlands
4. Department of Clinical Chemistry; Amsterdam Medical Center; Amsterdam the Netherlands