Published on in Vol 8, No 6 (2020): June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/19515, first published
.
1 Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
2 School of Medicine and Health Management, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
*these authors contributed equally