1. Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic , Rochester, Minnesota , USA
2. Division of Public Health, Infectious Diseases and Occupational Medicine, Department of Medicine, Mayo Clinic , Rochester, Minnesota , USA
3. Emergency Medicine Service, Durham VA Health Care System , Durham, North Carolina , USA
4. Division of Infectious Diseases, Department of Medicine, Duke University School of Medicine , Durham, North Carolina , USA
5. Danaher Diagnostics , Washington, District of Columbia , USA
6. Biostatistics Center and the Department of Biostatistics and Bioinformatics, George Washington Milken Institute School of Public Health, George Washington University , Washington, District of Columbia , USA
7. Duke Clinical Research Institute , Durham, North Carolina , USA
8. Division of Infectious Diseases, Department of Medicine, University of California , San Francisco, California , USA