Published on in Vol 9, No 1 (2021): Jan-Mar
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/21620, first published
.
1 Center for Research in Mathematics, Zacatecas, Mexico
2 Center for Research and Advanced Studies of the National Polytechnic Institute, Tamaulipas, Ciudad Victoria, Mexico