1. Department of Obstetrics and Gynaecology Jeroen Bosch Hospital ‘s‐Hertogenbosch The Netherlands
2. Department of Health Care Studies Rotterdam University of Applied Sciences Rotterdam The Netherlands
3. Department of Obstetrics and Gynaecology Ikazia Hospital Rotterdam The Netherlands
4. Department of Obstetrics, Division Woman and Baby, Wilhelmina Children's Hospital Birth Centre University Medical Centre Utrecht Utrecht The Netherlands
5. Department of Gynaecologic Oncology Erasmus Medical Centre Rotterdam The Netherlands
6. Department of Obstetrics and Gynaecology, Princess Alexandra Wing Royal Cornwall Hospital NHS Trust Truro UK
7. Department of Obstetrics Amsterdam Reproduction and Development Research Institute, Amsterdam UMC, University of Amsterdam Amsterdam The Netherlands
8. Department of Obstetrics and Gynaecology Amphia Hospital Breda The Netherlands
9. Department of Obstetrics and Gynaecology Radboud University Medical Centre Nijmegen The Netherlands
10. Department of Obstetrics and Gynaecology Monash University Melbourne Australia
11. Aberdeen Centre for Women's Health Research University of Aberdeen Aberdeen UK