Published on in Vol 9, No 1 (2020): January
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/16417, first published
.
1 The Paul Merage School of Business, University of California, Irvine, Irvine, CA, United States
2 School of Medicine, University of California San Francisco, San Francisco, CA, United States
3 Stanford Prevention Research Center, Stanford University, Stanford, CA, United States