Published on in Vol 22, No 1 (2020): January
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/14725, first published
.
1 School of Public Health, Hubei Provincial Key Laboratory of Occupational Hazard Identification & Control, Wuhan University of Science & Technology, Wuhan, China
2 Norwich Medical School, University of East Anglia, Norwich, United Kingdom
*these authors contributed equally