1. Department of Gynecology and Obstetrics Radboud University Medical Center Nijmegen The Netherlands
2. Department of Reproductive Medicine and Gynecology University Medical Center Utrecht Utrecht The Netherlands
3. Department of Gynecology and Obstetrics OLVG Amsterdam Amsterdam The Netherlands
4. Department of Gynecology and Obstetrics University of Groningen, University Medical Center Groningen Groningen The Netherlands
5. Department of Gynecology and Obstetrics Maastricht University Medical Center (MUMC+) and Grow – School for Oncology and Developmental Biology Maastricht The Netherlands
6. Department of Reproductive Medicine Amsterdam University Medical Center Amsterdam The Netherlands
7. Department of Reproductive Medicine and Gynecology Haaglanden Medical Center The Hague The Netherlands