1. Department of Occupational Science & Occupational Therapy, University of Toronto, Toronto, Ontario, Canada,
2. Toronto Rehabilitation Institute-UHN, Toronto, Ontario, Canada,
3. Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada,
4. Assistive Technology Partners, University of Colorado, Anschutz Medical Campus, Denver, CO, USA, and
5. Institute of Cognitive Science at the University of Colorado, Boulder, CO, USA