Published on in Vol 7, No 3 (2020): Jul-Sep
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/19196, first published
.
1 Department of Pharmacology & Toxicology, University of Toronto, Toronto, ON, Canada
2 Problem-Based Online Health Consultancy, Toronto, ON, Canada
*all authors contributed equally