Published on in Vol 6, No 6 (2018): June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/10263, first published
.
1 Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
2 Department of Emergency Medicine, University of Ottawa, Ottawa, ON, Canada
3 Department of Public Health Sciences, Karolinska Institute, Karolinska, Sweden