1. Graduate Group Integrative Pathobiology, School of Veterinary Medicine, University of California, Davis, CA, USA
2. 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
4. Department of Pharmaceutical Sciences, College of Pharmacy-Glendale, Midwestern University, Glendale, AZ, USA
5. Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, CA, USA