1. Department of Gynecologic Oncology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
2. Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, 3318 AT Dordrecht, The Netherlands
3. Department of Epidemiology, Erasmus MC, 3015 GD Rotterdam, The Netherlands
4. Department of Biostatistics, Erasmus MC, 3015 GD Rotterdam, The Netherlands
5. Department of Obstetrics and Gynecology, Catharina Cancer Institute, 5623 EJ Eindhoven, The Netherlands
6. Department of Obstetrics and Gynecology, Medisch Spectrum Twente, 7512 KZ Enschede, The Netherlands
7. Department of Public Health, Erasmus MC, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands