1. DOD-VA Extremity Trauma and Amputation Center of Excellence, Falls Church, Virginia
2. Naval Medical Center San Diego, San Diego, California
3. Veterans Affairs Puget Sound Health Care System, Seattle, Washington
4. Uniformed Services University of the Health Sciences, Bethesda, Maryland
5. Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland
6. University of Pittsburgh, Pittsburgh, Pennsylvania
7. US Department of Veterans Affairs, Tampa, Florida
8. University of South Florida, Tampa, Florida
9. Walter Reed National Military Medical Center, Bethesda, Maryland
10. US Department of Veterans Affairs New York Harbor Healthcare System, New York, New York, USA