1. Department of Obstetrics and Gynaecology University Medical Centre Utrecht Utrecht the Netherlands
2. Department of Obstetrics and Gynaecology Radboud University Nijmegen Medical Centre Nijmegen the Netherlands
3. Julius Centre for Health Sciences and Primary Care University Medical Centre Utrecht Utrecht the Netherlands
4. Stanford Prevention Research Centre Department of Medicine Stanford University Stanford CA USA
5. Department of Obstetrics and Gynaecology Maastricht University Medical Centre Maastricht the Netherlands
6. Department of Obstetrics and Gynaecology Leiden University Medical Centre Leiden the Netherlands
7. Department of Obstetrics and Gynaecology Erasmus Medical Centre Rotterdam the Netherlands
8. Department of Obstetrics and Gynaecology Isala Clinics Zwolle the Netherlands
9. Department of Neonatology Academic Medical Centre Amsterdam the Netherlands
10. Utrecht Centre for Child and Adolescent Studies Utrecht University Utrecht the Netherlands
11. Department of Obstetrics University Medical Centre University of Groningen Groningen the Netherlands
12. Department of Obstetrics and Gynaecology Máxima Medical Centre Veldhoven the Netherlands
13. Department of Obstetrics and Gynaecology Academic Medical Centre Amsterdam the Netherlands
14. The Robinson Institute School of Paediatrics and Reproductive Health University of Adelaide Adelaide SA Australia