1. Applied Research Laboratories, The University of Texas at Austin, Austin, CA, USA
2. DoD-VA Extremity Trauma and Amputation Center of Excellence (EACE), Naval Medical Center San Diego, San Diego, CA, USA
3. Naval Medical Center San Diego, San Diego, CA, USA
4. Center for Limb Loss and MoBility (Climb), Va Puget Sound Health Care System, Seattle, WA, USA
5. Department of Mechanical Engineering, University of Washington, Seattle, WA, USA
6. Department of Nano Engineering, University of California San Diego, La Jolla, CA, USA
7. Department of Structural Engineering, University of California San Diego, La Jolla, CA, USA
8. Department of Rehabilitation Medicine, Uniformed Services University, MD, USA