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