Published on in Vol 7, No 2 (2019): February
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/13080, first published
.
1 Centre for Health, Activity and Rehabilitation Research (CHARR), School of Physiotherapy, University of Otago, Wellington, New Zealand
2 Department of Medicine, University of Otago, Wellington, New Zealand
3 University of Otago, Wellington, New Zealand