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