1. Rehabilitation Institute of Chicago, Northwestern University, Chicago, IL, USA
2. Department of Physical Medicine & Rehabilitation, Northwestern University, Chicago, IL, USA
3. Department of Medical Physics and Biomedical Engineering, University College London, London, UK
4. Department of Physical Therapy and McKnight Brain Institute, University of Florida, Gainesville, FL, USA
5. Max Nader Center for Rehabilitation Technologies & Outcomes, Rehabilitation Institute of Chicago, Chicago, IL, USA
6. Department of Medical Social Sciences, Northwestern University, Chicago, IL, USA
7. Department of Physical Therapy and Human Movement Sciences, Northwestern University, Chicago, IL, USA
8. Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Professor, Northwestern University, Chicago, IL, USA