1. Canadian Center for Vaccinology, Dalhousie University, IWK Health Centre, and The Nova Scotia Health Authority, Halifax, NS, Canada
2. Department of Community Health and Epidemiology, Dalhousie University, Halifax, NS, Canada
3. Rankin School of Nursing, St. Francis Xavier University, Antigonish, NS, Canada
4. British Columbia Centre for Disease Control, Vancouver, B.C., Canada
5. Department of Sociology and Social Anthropology, Dalhousie University, Halifax, NS, Canada
6. Institute for Clinical Evaluative Sciences (ICES), Toronto, ON, Canada
7. Public Health Ontario, Toronto, ON, Canada
8. Centre for Vaccine Preventable Diseases, University of Toronto, Toronto, ON, Canada
9. Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
10. Department of Family & Community Medicine, University of Toronto, Toronto, ON, Canada
11. School of Population and Public Health, University of British Columbia, Vancouver, B.C., Canada
12. Provincial Health Officer, Ministry of Health, Vancouver, B.C., Canada