Published on in Vol 22, No 4 (2020): April
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/14595, first published
.
1 CRONICAS Center of Excellence in Chronic Diseases, Universidad Peruana Cayetano Heredia, Lima, Peru
2 School of Medicine, Universidad Peruana Cayetano Heredia, Lima, Peru