Published on in Vol 7, No 1 (2019): Jan-Mar
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/9845, first published
.
1 Center for Health Technology and Services Research, Porto, Portugal
2 Healthy Systems, Porto, Portugal
3 Ars Semantica, London, United Kingdom
*these authors contributed equally