1. Department of Pathology, Microbiology and Immunology, University of California, One Shields Avenue, Davis, California 95616, USA
2. Integral Ecology Research Center, 102 Larson Heights Road, McKinleyville, California 95519, USA
3. Veterinary Genetics Laboratory, University of California, Davis, One Shields Ave., California 95616, USA
4. University of Illinois Zoological Pathology Program, LUMC Building 101, 2160 S. First Ave., Maywood, Illinois 60153, USA
5. Department of Population Medicine and Diagnostic Science, College of Veterinary Medicine, Cornell University, PO Box 786, Ithaca, New York 14853, USA
6. Wildlife Health Center, University of California, TB 128 Old Davis Road, Davis, California 95616, USA
7. Department of Environmental Science, Policy, and Management, 130 Mulford Hall, University of California, Berkeley, California 94720-3114, USA
8. United States Forest Service, Pacific Southwest Research Station, Sierra Nevada Research Center, Fresno, California 93710, USA