Published on in Vol 22, No 12 (2020): December
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/24240, first published
.
1 Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
2 Department of General Internal Medicine and Psychosomatics, Heidelberg University Hospital, Heidelberg, Germany
*these authors contributed equally