1. Department of Mechanical Engineering, University of Colorado Denver, University to Colorado Bone-Anchored Limb Research Group, Denver, Colorado, USA
2. Department of Mechanical Engineering, Bucknell University, Lewisburg, Pennsylvania, USA
3. Department of Physical Medicine and Rehabilitation, University of Colorado Anschutz Medical Campus, University to Colorado Bone-Anchored Limb Research Group, Aurora, Colorado, USA
4. Department of Veterans Affairs Eastern Colorado Healthcare System, University to Colorado Bone-Anchored Limb Research Group, Aurora, Colorado, USA
5. Department of Orthopedics, University of Colorado Anschutz Medical Campus, University to Colorado Bone-Anchored Limb Research Group, Aurora, Colorado, USA
6. Center for Bioengineering, University of Colorado Denver, University to Colorado Bone-Anchored Limb Research Group, Aurora, Colorado, USA