1. British Columbia Centre for Disease Control, Vancouver, Canada
2. University of British Columbia, Vancouver, Canada
3. Public Health Ontario, Toronto, Canada
4. University of Calgary, Calgary, Canada
5. Institut National de Santé Publique du Québec (National Institute of Health of Quebec), Québec, Canada
6. Laval University, Quebec, Canada
7. Centre Hospitalier Universitaire de Québec (University Hospital Centre of Quebec), Québec, Canada
8. University of Toronto, Toronto, Canada
9. Alberta Provincial Laboratory, Edmonton, Canada
10. University of Alberta, Edmonton, Canada
11. National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Canada
12. University of Manitoba, Winnipeg, Canada