| Affiliation: | 1. Addresses of authors: William R. Pritchard Veterinary Medical Teaching Hospital, School of Veterinary Medicine, University of California, Davis, CA 95616, USA;2. Department of Pathology, Microbiology and Immunology, School of Veterinary Medicine, University of California, Davis, CA 95616, USA;3. The Center for Comparative Medicine, University of California, Davis, CA 95616, USA;4. Department of Orofacial Sciences, School of Dentistry, University of California, San Francisco, CA 94122, USA;5. Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, CA 95616, USA |
