1. Department of Population Health and Reproduction, School of Veterinary Medicine, University of California–Davis, One Shields Avenue, Davis, California 95616
2. Western Center for Food Safety, University of California–Davis, 1477 Drew Avenue, Suite 101, Davis, California 95618, USA
3. Present address: One Health Institute, School of Veterinary Medicine, University of California–Davis, 1089 Veterinary Medicine Drive, Davis, CA 95616, USA.
4. Western Institute for Food Safety and Security, University of California–Davis, 1477 Drew Avenue, Suite 101, Davis, California 95618, USA
5. Present address: RTI, LLC, 17745 Metcalf Avenue, Stilwell, KS 66085, USA.