Affiliation: | 1. Health Sciences Centre, Ontario Veterinary College, University of Guelph, Guelph, Ontario, N1G 2W1 Canada;2. Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, Kansas, 66506 USA;3. Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, N1G 2W1 Canada |