Published on in Vol 5, No 2 (2019): Jul-Dec
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/12071, first published
.
1 Digital Health and Wellness Group, Department of Computer and Information Sciences, University of Strathclyde, Glasgow, United Kingdom
2 Centre for Sports and Exercise Medicine, William Harvey Research Institute, Queen Mary University of London, London, United Kingdom
*these authors contributed equally