Published on in Vol 8, No 4 (2021): Oct-Dec
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/29610, first published
.
1 Department of Electrical, Electronic and Computer Engineering, Central University of Technology, Bloemfontein, South Africa
2 Council for Scientific and Industrial Research, Pretoria, South Africa
*these authors contributed equally