1. Department of Neurosurgery, NorthShore University Health System, Evanston, IL 60201, USA
2. Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, IL 60607, USA
3. Shirley Ryan AbilityLab, Chicago, IL 60611, USA
4. Department of Physical Medicine and Rehabilitation, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
5. The Ken & Ruth Davee Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA