Published on in Vol 8, No 10 (2020): October
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/19498, first published
.
1 University of Granada, Granada, Spain
2 Universidad de La Frontera, Temuco, Chile
3 Universidad San Jorge, Zaragoza, Villanueva de Gallego, Spain
4 Universidad de Jaén, Jaén, Spain
*these authors contributed equally