1. National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
2. Bio-Rad Laboratories, Benicia, California, USA
3. Public Health Ontario, Toronto, Ontario, Canada
4. Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
5. Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
6. Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada
7. Department of Pathology, Dalhousie University, Halifax, Nova Scotia, Canada
8. Department of Pathology and Laboratory Medicine, Nova Scotia Health Authority, Halifax, Nova Scotia, Canada
9. Department of Medical Microbiology, University of Manitoba, Winnipeg, Manitoba, Canada