1. VA RR&D Center for Limb Loss and Mobility (CLiMB) VA Puget Sound Health Care System Seattle Washington USA
2. Department of Rehabilitation Medicine University of Washington Seattle Washington USA
3. Minneapolis Adaptive Design & Engineering (MADE) Program Minneapolis VA Health Care System Minneapolis Minnesota USA
4. Departments of Rehabilitation Medicine & Biomedical Engineering University of Minnesota Minneapolis Minnesota USA
5. Extremity Trauma and Amputation Center of Excellence Houston Texas USA
6. Center for the Intrepid, Department of Rehabilitation Medicine Brooke Army Medical Center Houston Texas USA
7. Human Motion Technologies LLC (Humotech) Pittsburgh Pennsylvania USA