. 2015 Aug 24;1(2):e10. doi: 10.2196/publichealth.4525
©Sharoda Dasgupta, Michael R Kramer, Eli S Rosenberg, Travis H Sanchez, Landon Reed, Patrick S Sullivan. Originally published in JMIR Public Health and Surveillance (http://publichealth.jmir.org), 24.08.2015.
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Figure 1.
Geographic boundaries defining regions of residence used in analyses.