1. Department of Obstetrics and Gynaecology Academic Medical Centre University of Amsterdam Amsterdam the Netherlands
2. Department of Obstetrics and Gynaecology University Medical Centre Groningen University of Groningen Groningen the Netherlands
3. Department of Obstetrics and Gynaecology Onze Lieve Vrouwe Gasthuis Amsterdam the Netherlands
4. Department of Obstetrics and Gynaecology ZGT Almelo Almelo the Netherlands
5. Department of Obstetrics and Gynaecology Radboud University Medical Centre Nijmegen the Netherlands
6. Department of Obstetrics Wilhelmina Children's Hospital Birth Centre Division Woman and Baby University Medical Centre Utrecht Utrecht the Netherlands
7. Department of Obstetrics Leiden University Medical Centre Leiden the Netherlands
8. Department of Obstetrics and Gynaecology Grow School for Oncology and Developmental Biology Maastricht University Medical Centre Maastricht the Netherlands
9. Department of Obstetrics and Gynaecology Reinier de Graaf Gasthuis Delft the Netherlands
10. Department of Obstetrics and Gynaecology Jeroen Bosch Hospital Hertogenbosch the Netherlands
11. Department of Obstetrics and Gynaecology Martini Hospital Groningen the Netherlands
12. Department of Obstetrics and Gynaecology Medical Centre Leeuwarden Leeuwarden the Netherlands
13. Department of Gynaecology and Obstetrics Canisius‐Wilhelmina Hospital Nijmegen the Netherlands
14. Department of Obstetrics and Gynaecology Amphia Hospital Breda Breda the Netherlands
15. Department of Obstetrics and Gynaecology HagaZiekenhuis The Hague the Netherlands
16. Department of Obstetrics and Gynaecology Medical Centre Haaglanden Den Haag the Netherlands
17. Department of Obstetrics and Gynaecology Medisch Spectrum Twente Enschede the Netherlands
18. Department of Obstetrics and Gynaecology Röpcke‐Zweers Ziekenhuis Hardenberg the Netherlands
19. Department of Neonatology Emma Children's Hospital Academic Medical Centre Amsterdam the Netherlands
20. Department of Epidemiology University of Groningen University Medical Centre Groningen Groningen the Netherlands
21. Department of Obstetrics and Gynaecology Maxima Medical Centre Veldhoven the Netherlands
22. The Robinson Institute School of Paediatrics and Reproductive Health University of Adelaide Adelaide Australia
23. Department of Obstetrics and Gynaecology Atrium Medical Centre Heerlen the Netherlands