1. National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
2. Public Health Ontario Laboratories, Toronto, Ontario, Canada
3. Laboratoire de Santé Publique du Québec, Sainte-Anne-de-Bellevue, Québec, Canada
4. British Columbia Centres for Disease Control Public Health Microbiology & Reference Laboratory, Vancouver, British Columbia, Canada
5. Provincial Laboratory for Public Health, Edmonton, Alberta, Canada
6. Saskatchewan Disease Control Laboratory, Regina, Saskatchewan, Canada
7. Cadham Provincial Laboratory, Winnipeg, Manitoba, Canada
8. Queen Elizabeth II Health Sciences Centre, Halifax, Nova Scotia, Canada
9. Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
10. National Institute for Health Research Biomedical Research Centre, Oxford, United Kingdom
11. Oxford National Institute for Health Research Health Protection Research Unit, Oxford, United Kingdom