Published on in Vol 9, No 5 (2020): May
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/14051, first published
.

1 Veterans Administration, New Jersey Health Care System , East Orange, NJ, US
2 Department of Physical Medicine and Rehabilitation, Rutgers New Jersey Medical School , Newark, NJ, US
3 Kessler Foundation , West Orange, NJ, US
*all authors contributed equally