1. 1Laboratory for Foodborne Zoonoses, Public Health Agency of Canada, 255 Woodlawn Road West, Unit 120, Guelph, Ontario, Canada N1H 8J1
2. 2Ministry of the Environment, Laboratory Services Branch, Etobicoke, Ontario, Canada M9P 3V6
3. 3Department of Food Science, University of Guelph, Guelph, Ontario, Canada N1G 2W1
4. 4Laboratory Services Division, University of Guelph, 95 Stone Road, Guelph, Ontario, Canada N1H 8J7
5. 5Centre for Food-borne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, 255 Woodlawn Road West, Unit 120, Guelph, Ontario, Canada N1H 8J1