1. Public Health Laboratory, County of Monterey Health Department, Salinas, CA 93906, USA
2. Public Health, Medical Services Division, California Correctional Health Care Services, Elk Grove, CA 95758, USA
3. Infectious Diseases Branch, Center for Infectious Diseases, California Department of Public Health, Richmond, CA 94804, USA
4. Microbial Diseases Laboratory Branch, Center for Laboratory Sciences, California Department of Public Health, Richmond, CA 94804, USA
5. Department of Biology and Chemistry, California State University, Monterey Bay, Seaside, CA 93955, USA