Published on in Vol 8, No 1 (2019): January
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/12322, first published
.

1 Faculty of Health Sciences , Simon Fraser University, Vancouver, BC, CA
2 Division of Cardiology , Providence Health Care, Vancouver, BC, CA
3 Division of Cardiology , Vancouver Coastal Health Authority, Vancouver, BC, CA
4 School of Public and Population Health, Faculty of Medicine, University of British Columbia, Vancouver, BC, CA