| Affiliation: | 1. Veterinary Medical Teaching Hospital, University of California, 1 Shields Ave Davis, CA 95616, USA;2. Department of Medicine and Epidemiology, University of California, 1 Shields Ave Davis, CA 95616, USA;1. Animal Health and Welfare Branch, Ontario Ministry of Agriculture, Food and Rural Affairs, Guelph, Ontario, Canada;2. Department of Veterinary Preventive Medicine, The Ohio State University, College of Veterinary Medicine, Columbus, OH, USA;3. Department of Health Management, University of Prince Edward Island, Atlantic Veterinary College, 550 University Avenue, Charlottetown, Prince Edward Island CIA 4P3, Canada;4. Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1, Canada;1. Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, 1920 Coffey Road, Columbus, OH 43210, USA;2. Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, 550 University Avenue, Charlottetown, Prince Edward Island CIA 4P3, Canada;3. Animal Health and Welfare Branch, Ontario Ministry of Agriculture, Food and Rural Affairs, 1 Stone Road West, 5th Floor Northwest (336), Guelph, Ontario N1G 4Y2, Canada;4. Department of Pathobiology, Ontario Veterinary College, University of Guelph, 50 Stone Rd E, Guelph, ON N1G2W1, Canada;1. Prairie View Animal Hospital, Grimes, IA 50111, USA;2. Department of Epidemiology, College of Public Health, University of Iowa, 145 North Riverside Drive, Iowa City, IA 52242, USA;3. Center for Emerging Infectious Diseases, University of Iowa Research Park, Coralville, IA 52241, USA |
