1. Canadian Center for Vaccinology, Dalhousie University and the IWK Health Centre and Nova Scotia Health Authority, Halifax
2. Department of Pediatrics, Dalhousie University and the IWK Health Centre and Nova Scotia Health Authority, Halifax
3. Department of Microbiology and Immunology, Dalhousie University and the IWK Health Centre and Nova Scotia Health Authority, Halifax
4. Department of Community Health and Epidemiology, Dalhousie University and the IWK Health Centre and Nova Scotia Health Authority, Halifax
5. Department of Obstetrics and Gynaecology, Dalhousie University and the IWK Health Centre and Nova Scotia Health Authority, Halifax
6. Department of Mathematics and Statistics, Dalhousie University and the IWK Health Centre and Nova Scotia Health Authority, Halifax
7. School of Nursing, Dalhousie University and the IWK Health Centre and Nova Scotia Health Authority, Halifax
8. Department of Medicine, Dalhousie University and the IWK Health Centre and Nova Scotia Health Authority, Halifax
9. Departments of Paediatrics, Microbiology, Immunology and Infectious Diseases, Pathology, and Laboratory Medicine
10. Alberta Children’s Hospital Research Institute, Alberta Health Services
11. Department of Obstetrics and Gynaecology, University of Calgary
12. Department of Medical Genetics, Cumming School of Medicine, University of Calgary
13. Centre Hospitalier Universitaire Sainte-Justine and University of Montreal
14. Department of Pediatrics, University of Ottawa
15. Department of Obstetrics and Gynaecology, University of Ottawa
16. Department of Pediatrics, University of Alberta and the Women and Children’s Health Research Institute, Edmonton
17. Department of Obstetrics and Gynecology, University of Alberta and the Women and Children’s Health Research Institute, Edmonton
18. Department of Pediatrics, University of British Columbia, Vancouver, Canada
19. Department of Obstetrics and Gynaecology, University of British Columbia, Vancouver, Canada