Published on in Vol 9, No 11 (2021): November
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/27995, first published
.
1 Hospital Universitario San Agustin, Avilés, Spain
2 Universidad de Oviedo, Oviedo, Spain
3 Grupo de Investigación de Promoción de la Salud-Instituto de Investigación Sanitaria del Principado de Asturias, Oviedo, Spain
*these authors contributed equally