Published on in Vol 20, No 2 (2018): February
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/7862, first published
.
1 School of Health Sciences, University of South Australia, Adelaide, Australia
2 Alliance for Research in Exercise, Nutrition, and Physical Activity, University of South Australia, Adelaide, Australia
*these authors contributed equally