1. Department of Obstetrics and Gynaecology; ICaR-VU Institure; VU University Medical Centre; Amsterdam the Netherlands
2. Department of Obstetrics and Gynaecology; Deventer Hospital; Deventer the Netherlands
3. Department of Obstetrics and Gynaecology; OLVG, location west; Amsterdam the Netherlands
4. Department of Obstetrics and Gynaecology; Onze Lieve Vrouwe Gasthuis, location east; Amsterdam the Netherlands
5. Department of Obstetrics and Gynaecology; Medical Spectrum Twente; Enschede the Netherlands
6. Department of Obstetrics and Gynaecology; Isala Clinics; Zwolle the Netherlands
7. Department of Obstetrics and Gynaecology; Maxima Medical Centre; Eindhoven the Netherlands
8. Grow School of Oncology and Developmental Biology; Maastricht University; Maastricht the Netherlands
9. Department of Obstetrics and Gynaecology; Sint Fransiscus Gasthuis; Rotterdam the Netherlands
10. Department of Obstetrics and Gynaecology; Catharina Hospital; Eindhoven the Netherlands
11. Department of Obstetrics and Gynaecology; Sint Antonius Hospital; Nieuwegein the Netherlands
12. Department of Obstetrics and Gynaecology; IJsselland Hospital; Capelle aan den Ijssel the Netherlands
13. Department of Obstetrics and Gynaecology; Academic Medical Centre; Amsterdam the Netherlands
14. The Robinson Research Institute | School of Pediatrics and Reproductive Health University of Adelaide and The South Australian Health and Medical Research Institute; Adelaide SA Australia