1. Department of Obstetrics Leiden University Medical Center Leiden The Netherlands
2. Department of Obstetrics and Gynaecology University Medical Center Utrecht Utrecht The Netherlands
3. Department of Obstetrics and Gynaecology VU University Medical Center Amsterdam The Netherlands
4. Department of Obstetrics and Gynaecology Radboud University Medical Center Nijmegen The Netherlands
5. Department of Obstetrics and Gynaecology University Medical Center Groningen, University of Groningen Groningen The Netherlands
6. Department of Clinical Genetics Leiden University Medical Center Leiden The Netherlands
7. Department of Genetics University Medical Center Utrecht Utrecht The Netherlands
8. Department of Obstetrics and Gynaecology Maastricht UMC+ Maastricht The Netherlands
9. Department of Human Genetics Radboud University Medical Center Nijmegen The Netherlands
10. Department of Clinical Genetics Erasmus Medical Center Rotterdam The Netherlands
11. Department of Obstetrics and Gynecology Erasmus Medical Center Rotterdam The Netherlands
12. Department of Clinical Genetics VU University Medical Center Amsterdam The Netherlands
13. Department of Clinical Genetics Maastricht UMC+ Maastricht The Netherlands
14. Department of Obstetrics and Gynaecology Academic Medical Centre Amsterdam The Netherlands
15. Department of Genetics University Medical Center Groningen, University of Groningen Groningen The Netherlands
16. Department of Clinical Genetics Academic Medical Center Amsterdam The Netherlands