Published on in Vol 9, No 1 (2021): January
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/23562, first published
.

1 General Medicine Ward, Renmin Hospital of Wuhan University , Wuhan , CN
2 School of Information Management, Wuhan University , Wuhan , CN
3 Department of Gastroenterology, Renmin Hospital of Wuhan University , Wuhan , CN
4 Department of Cardiology, Renmin Hospital of Wuhan University , Wuhan , CN
5 Department of Radiology, Ezhou Central Hospital , Ezhou , CN
*these authors contributed equally