1. Department of Microbiology and Immunology, University of Nevada, Reno School of Medicine, Reno, Nevada, USA
2. Centers for Disease Control and Prevention, Atlanta, Georgia, USA
3. Battelle Biomedical Research Center, Columbus, Ohio, USA
4. Cipher Biostatistics & Reporting, Reno, Nevada, USA
5. Office of the Commissioner, Food and Drug Administration, Silver Spring, Maryland, USA