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 School of Medicine and Health Management, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, CN
2 Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, CN
*these authors contributed equally