1. Bacteriology and Enteric Diseases Program, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
2. Science Technology Cores and Services Division, National Microbiology Laboratory, Public Health Agency of Canada, and Department of Medical Microbiology, University of Manitoba, Winnipeg, Manitoba, Canada
3. Laboratoire de Santé Publique du Québec, Ste-Anne-de-Bellevue, Québec, Canada
4. Public Health Ontario Laboratories, Toronto, Ontario, Canada
5. British Columbia Centres for Disease Control Public Health Microbiology & Reference Laboratory, Vancouver, British Columbia, Canada
6. Provincial Laboratory for Public Health, Edmonton, Alberta, Canada
7. Saskatchewan Disease Control Laboratory, Regina, Saskatchewan, Canada
8. Cadham Provincial Laboratory, Winnipeg, Manitoba, Canada
9. Queen Elizabeth II Health Sciences Centre, Halifax, Nova Scotia, Canada
10. Centre for Communicable Diseases and Infection Control, Public Health Agency of Canada, Ottawa, Ontario, Canada
11. First Nations and Inuit Health Branch, Health Canada, Ottawa, Ontario, Canada
12. Department of Laboratory Medicine, Microbiology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden