Published on in Vol 8, No 7 (2020): July
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/17760, first published
.
1 Unit for the Study and Treatment of Pain-ALGOS, Research Center for Behavior Assessment, Universitat Rovira i Virgili, Tarragona, Spain
*all authors contributed equally