Published on in Vol 6, No 2 (2019): Apr-Jun
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/13017, first published
.
1 Department of Systems Design Engineering, University of Waterloo, Waterloo, ON, Canada
2 Schlegel-UW Research Institute for Aging, Waterloo, ON, Canada