1. 1Foodborne, Waterborne and Zoonotic Infections Division, Centre for Infectious Disease Prevention and Control, Health Canada, 160 Research Lane, Unit 206, Guelph, Ontario, Canada N1G 5B2
2. 2Central Public Health Laboratory, Laboratories Branch, Ministry of Health and Long-Term Care, Province of Ontario, 81 Resources Road, Etobicoke, Ontario, Canada M9P 3T1
3. 3Food and Drug Branch, California Department of Health Services, 601 North 7th Street, MS 357, P.O. Box 942732, Sacramento, California 94234, USA
4. 4National Laboratory of Enteric Pathogens, National Microbiology Laboratory, Health Canada, 1015 Arlington Street, Winnipeg, Manitoba, Canada R3E 3R2
5. 5Disease Control Service, Public Health Branch, Ministry of Health and Long-Term Care, Province of Ontario, 5700 Yonge Street, 8th Floor, Toronto, Ontario, Canada M2M 4K5
6. 6Canadian Field Epidemiology Program, Population and Public Health Branch, Health Canada, 130 Colonnade Road, AL 6503A, Ottawa, Ontario, Canada K1A 0K9
7. 7Department of Food Science and Technology, University of California, One Shields Avenue, Davis, California 95616, USA
8. 8Canadian Food Inspection Agency, 3155 Willingdon Green, Burnaby, British Columbia, Canada V5G 4P2
9. 9U.S. Food and Drug Administration, 5600 Fishers Lane, HFC-160 Room 12A55, Rockville, Maryland 20857, USA
10. 10Epidemic Intelligence Service, Division of Applied Public Health Training, Epidemiology Program Office, Centers for Disease Control, 1600 Clifton Road, MS-A-38, Atlanta, Georgia 30333, USA
11. 11Foodborne and Diarrheal Diseases Branch, Division of Bacterial and Mycotic Diseases, National Center for Infectious Diseases, MS-C-14, 1600 Clifton Road, MS-A-38, Atlanta, Georgia 30333, USA
12. 12Vancouver Island Health Authority, 2-2631 Quadra Street, Victoria, British Columbia, Canada V8T 4E2
13. 13Provincial Epidemiology Service, Department of Health and Wellness, Province of New Brunswick, 520 King Street, 2nd Floor, Carleton Place, Fredericton, New Brunswick, Canada E3A 3N6