1. Walter Reed National Military Medical Center Washington DC USA
2. Naval Medical Center San Diego CA USA
3. Infectious Disease Clinical Research Program Department of Preventive Medicine and Biostatistics Uniformed Services University of the Health Sciences Bethesda MD USA
4. Henry M. Jackson Foundation for the Advancement of Military Medicine Rockville MD USA
5. Madigan Army Medical Center Fort Lewis WA USA
6. Naval Medical Center Portsmouth VA USA
7. San Antonio Military Health System San Antonio TX USA
8. Naval Health Research Center San Diego CA USA
9. Children's National Medical Center Washington DC USA