1. University of California, Davis, Department of Medical Microbiology and Immunology , Davis, CA , USA
2. University of California, Davis, Coccidioidomycosis Serology Laboratory , Davis, CA , USA
3. University of California, Davis, School of Veterinary Medicine , Davis, CA , USA
4. University of California, Davis, Department of Internal Medicine, Division of Infectious Diseases , Sacramento, CA , USA
5. University of California, Davis, Department of Public Health Sciences, Division of Biostatistics, Clinical and Translational Science Center , Sacramento, CA , USA