Published on in Vol 22 , No 10 (2020) :October
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/21955, first published
.

1 Buehler Center for Health Policy and Economics, Feinberg School of Medicine, Northwestern University, Chicago, IL, US
2 Food and Resource Economics Department, University of Florida, Gainesville, FL, US
3 Civil and Environmental Engineering, University of California, Berkley, Berkley, CA, US