1. Department of Chemistry and Life Science United States Military Academy, Bartlett Hall , West Point, NY 10996 , USA
2. Department of Internal Medicine, Division of Infectious Diseases, University of California, Davis Health , Sacramento, CA 95817 , USA
3. Medical Microbiology and Immunology, University of California, Davis , Davis, CA 95616 , USA
4. Department of Defense Military Working Dog Veterinary Service, Lackland Air force base , 78236 , USA
5. Department of Medicine & Epidemiology, School of Veterinary Medicine, University of California, Davis , Davis, CA 95616 , USA