1. William R. Pritchard Veterinary Medical Teaching Hospital University of California School of Veterinary Medicine Davis California USA
2. Department of Medicine and Epidemiology University of California School of Veterinary Medicine Davis California USA
3. Department of Surgical and Radiological Sciences University of California School of Veterinary Medicine Davis California USA
4. Department of Pathology, Microbiology and Immunology University of California School of Veterinary Medicine Davis California USA