Published on in Vol 21, No 5 (2019): May
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/11925, first published
.
1 Faculty of Health Sciences, Universitat Oberta de Catalunya, Barcelona, Spain
2 Faculty of Health Sciences, Universidad de Manizales, Caldas, Colombia
3 Faculty of Psychology and Education Sciences, Universitat Oberta de Catalunya, Barcelona, Spain
*all authors contributed equally