Published on in Vol 22, No 5 (2020): May
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/19437, first published
.
1 Department of Clinical Epidemiology, Office of Clinical Epidemiology, Analytics, and Knowledge (OCEAN), Tan Tock Seng Hospital, Singapore, Singapore
2 Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore