Published on in Vol 7, No 4 (2019): Oct-Dec
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/12712, first published
.
1 PhD Program, Department of Biomedicine, University of Barcelona, Barcelona, Spain
2 Institute for Biomedical Research Bellvitge, Hospital Bellvitge, Barcelona, Spain