Published on in Vol 8, No 2 (2020): February
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/14466, first published
.
1 College of Biomedical Engineering and Instrument Science, Ministry of Education Key Laboratory of Biomedical Engineering, Zhejiang University, Hangzhou, China
2 General Hospital of Ningxia Medical University, Yinchuan, China
*these authors contributed equally