Published on in Vol 21, No 4 (2019): April
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/11109, first published
.
1 Discipline of Physiotherapy, Faculty of Health Sciences, University of Sydney, Lidcombe, Australia
2 Faculty of Health Sciences, University of Sydney, Lidcombe, Australia
*all authors contributed equally