1. School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada
2. Children’s Hospital of Eastern Ontario (CHEO) Research Institute, Ottawa, Ontario, Canada
3. Better Outcomes Registry & Network (BORN) Ontario, Ottawa, Ontario, Canada
4. School of Nursing and Health Professions, University of San Francisco, San Francisco, California
5. Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, California
6. Public Health Ontario, Toronto, Ontario, Canada
7. Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
8. ICES, Toronto, Ontario, Canada
9. Department of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada
10. Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway
11. Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada
12. Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada
13. Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
14. Bruyère Research Institute, Ottawa, Ontario, Canada
15. Department of Obstetrics and Gynecology, University of Ottawa, Ottawa, Ontario, Canada
16. Department of Obstetrics and Gynecology, McMaster University, Hamilton, Ontario, Canada
17. Faculty of Nursing, University of Alberta, Edmonton, Alberta, Canada
18. School of Public Health, University of Alberta, Edmonton, Alberta, Canada
19. Department of Pediatrics, University of Calgary, Calgary, Alberta, Canada
20. Department of Obstetrics and Gynaecology, University of Toronto, Toronto, Ontario, Canada
21. Department of Pediatrics, Mount Sinai Hospital, Toronto, Ontario, Canada
22. Department of Pediatrics, University of Toronto, Toronto, Ontario, Canada
23. Maternal-infant Care Research Centre, Department of Pediatrics, Mount Sinai Hospital, Toronto, Ontario, Canada
24. Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
25. School of Nursing, University of Ottawa, Ottawa, Ontario, Canada