Published on in Vol 9, No 5 (2020): May
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/16787, first published
.

1 Department of Epidemiology, University of Washington , Seattle, WA, US
2 Harborview Injury Prevention & Research Center, University of Washington , Seattle, WA, US
3 Kaiser Permanente Washington Health Research Institute , Seattle, WA, US
4 Department of Urban Design and Planning, College of Built Environments, University of Washington, Seattle, WA, US
5 Center for Public Health Nutrition, University of Washington , Seattle, WA, US