1. National Microbiology Laboratory, Winnipeg, Manitoba, Canada;
2. British Columbia Centre for Disease Control, Vancouver, British Columbia, Canada;Health Canada, Ottawa, Ontario, Canada;
3. Prairie North Health Region, North Battleford, Saskatchewan, Canada;
4. Saskatchewan Health Provincial Laboratory, Regina, Saskatchewan, Canada;
5. Kelsey Trail Health Region, Nipawin, Saskatchewan, Canada;
6. Northern Intertribal Health Authority, Prince Albert, Saskatchewan, Canada