1. DoD-VA Extremity Trauma and Amputation Center of Excellence, Bethesda, MD 20889, USA
2. Department of Surgery, Uniformed Services University of the Health Sciences and Walter Reed National Military Medical Center, Bethesda, MD 20814, USA
3. Leidos, Reston, VA 20190, USA
4. Naval Health Research Center, San Diego, CA 92152, USA
5. Department of Plastic and Reconstructive Surgery, Walter Reed National Military Medical Center, Bethesda, MD 20814, USA
6. Department of Orthopaedic Surgery, Walter Reed National Military Medical Center, Bethesda, MD 20814, USA
7. Department of Orthopaedic Surgery, San Antonio Military Medical Center, Houston, TX 78234, USA