1. California Animal Health and Food Safety Laboratory System, San Bernardino, USA
2. Branches, and Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California–Davis, Davis, CA
3. California Department of Fish and Wildlife, Sacramento, CA
4. California Department of Food and Agriculture, Sacramento, CA
5. USDA-APHIS National Veterinary Services Laboratories, Foreign Animal Disease Diagnostic Laboratory, Plum Island, NY
6. Davis, University of California–Davis, Davis, CA