1. Extremity Trauma and Amputation Center of Excellence, Defense Health Agency , Falls Church, VA 22042, USA
2. Department of Physical and Occupational Therapy, Chiropractic Services, and Sports Medicine, Naval Medical Center San Diego , San Diego, CA 92134, USA
3. Doctor of Physical Therapy Program, Lincoln Memorial University , Knoxville, TN 37752, USA
4. Department of Physical and Occupational Therapy, Naval Hospital Pensacola , Pensacola, FL 32512, USA
5. Department of Radiology, Naval Medical Center San Diego , San Diego, CA 92134, USA
6. Department of Rehabilitation Medicine, Uniformed Services University , Bethesda, MD 20814, USA