Published on in Vol 9, No 2 (2021): February
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/20217, first published
.
1 SALBIS Research Group, Department of Electric, Systems and Automatics Engineering, University of León, León, Spain
2 SALBIS Research Group, Faculty of Health Sciences, University of León, Ponferrada, Spain
*all authors contributed equally