1. Department of Obstetrics and Gynaecology Monash Medical Centre, Monash University Clayton Victoria Australia
2. Ministry of Health Colombo Sri Lanka
3. Monash Health – Casey Hospital Berwick Victoria Australia
4. Centre for Epidemiology and Research in Population Health (CERPOP), UMR1295, Toulouse University, Inserm, Paul Sabatier University Toulouse France
5. Department of Obstetrics and Gynaecology Paule de Viguier Hospital, Toulouse University Hospital Toulouse France
6. Department of Obstetrics and Gynaecology Franciscus Gasthuis Rotterdam the Netherlands
7. Department of Biomedical Data Sciences Leiden University Medical Centre Leiden the Netherlands
8. Division of Obstetrics and Gynaecology, Department of Women's and Children's Health Karolinska University Hospital, Karolinska Institutet Stockholm Sweden
9. Department of Gynaecology and Obstetrics Poissy Hospital, University Paris V Paris France
10. Department of Biostatistics Hopital Saint‐Louis, University Paris VII, INSERM Paris France
11. Department of Obstetrics and Gynaecology Dalhousie University Halifax Nova Scotia Canada
12. IWK Health Centre Halifax Nova Scotia Canada
13. Department of Obstetrics and Gynaecology University of Cape Town Cape Town South Africa
14. Maternity Unit Queen Mary's Sidcup NHS Trust Kent UK
15. National Perinatal Epidemiology and Statistics Unit (NPESU), Centre for Big Data Research in Health, and School of Clinical Medicine, Faculty of Medicine, University of New South Wales Sydney Australia