1. Laboratory for Foodborne Zoonoses, Population and Public Health Branch, Health Canada, Guelph
2. Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario
3. British Columbia Centre for Disease Control
4. Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia
5. National Microbiology Laboratory, Population and Public Health Branch, Health Canada, Winnipeg, Manitoba, Canada
6. Center for Vaccine Development, University of Maryland School of Medicine, Baltimore, Maryland