Affiliation: | 1. William R. Pritchard Veterinary Medical Teaching Hospital, School of Veterinary Medicine, University of California, , Davis, CA, USA;2. Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, , Davis, CA, USA;3. Department of Pathology, Microbiology and Immunology, School of Veterinary Medicine, University of California, , Davis, CA, USA |