1. Human Engineering Research Laboratories, VA Pittsburgh Healthcare System and University of Pittsburgh, Pittsburgh, PA 15026, USA
2. Department of Physical Medicine and Rehabilitation, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
3. Department of Occupational Therapy, Indiana University Indianapolis, Indianapolis, IN 46202, USA
4. BioRobotics Institute, Scuola Superiore Sant’Anna, 56025 Pontedera, PI, Italy
5. Spinal Cord Damage Research Center, James J. Peters VA Medical Center, Bronx, NY 10468, USA
6. Barrett, The Honors College, ASU Polytechnic, Mesa, AZ 85281, USA
7. Fraunhofer Institute for Manufacturing Engineering and Automation IPA, 70569 Stuttgart, Germany
8. Department of Physical Therapy, University of Miami Miller School of Medicine, Coral Gables, FL 33146, USA
9. Bruce W. Carter VA Medical Center, Miami, FL 33125, USA
10. Harvard School of Medicine, Boston, MA 02115, USA
11. Center for Military Medicine Research, University of Pittsburgh, Pittsburgh, PA 15219, USA
12. U.S. Army Combat Capabilities Development Command Soldier Center, Natick, MA 01760, USA
13. Prensilia S.r.l., 56025 Pontedera, PI, Italy
14. Institute for Integrative and Innovative Research (I3R) and the Department of Biomedical Engineering, University of Arkansas, Fayetteville, AR 72701, USA