Published on in Vol 22, No 9 (2020): September
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/14944, first published
.
1 Department of Clinical Epidemiology, School of Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2 Safety Promotions and Injury Prevention Research Centre, Shahid Beheshti University of Medical Sciences, Tehran, Iran