Published on in Vol 6, No 12 (2018): December
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/11315, first published
.
1 Center for Biomedical Informatics Research, Stanford University, Stanford, CA, United States
2 Stanford University Hospital and Clinics, Stanford, CA, United States
3 Department of Health and Physical Education, Mount Royal University, Calgary, AB, Canada