1. Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda,
2. Henry M. Jackson Foundation for the Advancement of Military Medicine, Rockville,
3. Naval Medical Research Center, Biological Defense Research Directorate, Fort Detrick,
4. Walter Reed Army Institute of Research, Silver Spring, and
5. Department of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland;
6. Martin Army Community Hospital, Fort Benning, Georgia; and
7. University of Toledo College of Medicine and Life Sciences, Ohio