Published on in Vol 2, No 1 (2019): 2019
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/14459, first published
.
1 University Hospital Virgen del Rocio, Sevilla, Spain
2 Faculty of Economic and Business Sciences, Universitat Oberta de Cataluña, Barcelona, Spain
3 Faculty of Health Sciences, Universitat Oberta de Cataluña, Barcelona, Spain
*all authors contributed equally