Published on in Vol 8, No 12 (2020): December
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/21576, first published
.
1 Department of Physiotherapy, Faculty of Health Sciences, University of Malaga, Malaga, Spain
2 Department of Physiotherapy, University of Seville, Seville, Spain
*these authors contributed equally