1. 1Department of Advertising, Public Relations and Retailing, Michigan State University, East Lansing, Michigan 48824, USA
2. 2Public Health Agency of Canada, Laboratory for Foodborne Zoonoses, 160 Research Lane, Unit 206, Guelph, Ontario, Canada N1G 5B2
3. 3The B. Michaels Group Inc., 487 West River Road, Palatka, Florida 32177, USA
4. 46100 Troon Lane S.E., Olympia, Washington 98501, USA
5. 5Campden BRI, Chipping Campden, Gloucestershire GL55 6LD, UK