Published on in Vol 7, No 11 (2021): November
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/30462, first published
.
1 Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore
2 Wee Kim Wee School of Communication and Information, Nanyang Technological University, Singapore, Singapore