VA San Diego Healthcare System, San Diego, California, United States
Walter Reed Army Medical Center, Washington, District of Columbia, United States
National Institutes of Health, Bethesda, Maryland, United States
Walter Reed Army Medical Center, Washington, District of Columbia, United States
Walter Reed Army Medical Center, Washington, District of Columbia, United States
Walter Reed Army Medical Center, Washington, District of Columbia, United States
VA Pittsburgh Healthcare System, Pittsburgh, Pennsylvania, United States
Tripler Army Medical Center, Honolulu, Hawaii, United States