Affiliation: | 1. Veterinary Medical Teaching Hospital Small Animal Clinic, Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, 1 Shields Avenue, Davis, CA 95616, USA;2. Pet Care Veterinary Hospital, East Campus, 2425 Mendocino Avenue, Santa Rosa, CA 95403, USA;3. Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, 2108 Tupper Hall, Davis, CA 95616, USA |