1. Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
2. Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, Maryland, USA
3. US Air Force School of Aerospace Medicine, Dayton, Ohio, USA
4. Brooke Army Medical Center, Fort Sam, Houston, Texas, USA
5. Naval Medical Center Portsmouth, Portsmouth, Virginia, USA
6. Tripler Army Medical Center, Honolulu, Hawaii, USA
7. William Beaumont Army Medical Center, El Paso, Texas, USA
8. Walter Reed National Military Medical Center, Bethesda, Maryland, USA
9. Fort Belvoir Community Hospital, Fort Belvoir, Virginia, USA
10. Madigan Army Medical Center, Joint Base Lewis-McChord, Washington, USA
11. Department of Microbiology and Immunology, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
12. Biological Defense Research Directorate, Naval Medical Research Center, Frederick, Maryland, USA