Published on in Vol 7, No 5 (2018): May
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/9308, first published
.
1 Department of Physical Therapy and Occupational Therapy, University of Alabama at Birmingham, Birmingham, AL, United States
2 Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, IL, United States