Published on in Vol 7, No 4 (2018): April
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/9827, first published
.

1 Department of Biomedical Informatics, University of Pittsburgh , Pittsburgh, PA, US
2 Departamento de Epidemiología Clínica y Bioestadística, Pontificia Universidad Javeriana , Bogotá , CO
3 Instituto de Envejecimiento, Pontificia Universidad Javeriana , Bogotá , CO
4 Department of Learning Health Sciences, University of Michigan , Ann Arbor, MI, US