Published on in Vol 7, No 9 (2019): September
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/12956, first published
.
1 School of Health and Exercise Sciences, University of British Columbia, Kelowna, BC, Canada
2 Mechatronic Systems Engineering, School of Engineering Science, Simon Fraser University, Surrey, BC, Canada