1. Department of Obstetrics and Gynecology University Hospitals Leuven Leuven Belgium
2. Department of Development and Regeneration KU Leuven Leuven Belgium
3. Department of Public Health and Primary Care KU Leuven Leuven Belgium
4. Department of Obstetrics and Gynecology Skåne University Hospital, Malmö Sweden
5. Department of Clinical Sciences Lund University Malmö Sweden
6. Department of Epidemiology, CAPHRI Care and Public Health Research Institute Maastricht University Maastricht The Netherlands
7. Department of Obstetrics, Gynecology and Reproduction Hospital Universitario Dexeus Barcelona Spain
8. Department of Obstetrics and Gynecology, Clinical Sciences Institute L. Sacco University of Milan Milan Italy
9. Department of Obstetrics and Gynecology Clinica Universidad de Navarra Pamplona Spain
10. Department of Obstetrics and Gynecology University Hospital Brugmann Brussels Belgium
11. Clinic of Obstetrics and Gynecology University of Milan‐Bicocca, San Gerardo Hospital Monza Italy
12. Department of Obstetrics and Gynecology Ziekenhuis Oost‐Limburg Genk Belgium
13. Department of Obstetrics and Gynecology University of Udine Udine Italy
14. Department of Perinatology and Oncological Gynecology Faculty of Medical Sciences, Medical University of Silesia Katowice Poland
15. Department of Obstetrics and Gynecology, Faculty of Medicine University of Debrecen Debrecen Hungary
16. First Department of Obstetrics and Gynecology University of Athens School of Medicine, Alexandra Hospital Athens Greece
17. Department of Clinical Science and Education Södersjukhuset, Karolinska Institutet Stockholm Sweden
18. Department of Women's and Children's Health Karolinska Institutet Stockholm Sweden
19. Queen Charlotte's and Chelsea Hospital Imperial College London UK