Published on in Vol 8, No 3 (2020): March
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/13561, first published
.
1 School of Nursing, Jinzhou Medical University, Jinzhou, China
2 Department of Physiology, Jinzhou Medical University, Jinzhou, China
3 Department of Physiology, Shanxi Medical University, Taiyuan, China
*these authors contributed equally