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