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. 2021 Apr 28;4:76. doi: 10.1038/s41746-021-00435-2

Fig. 1. Geolocations of the participants in the study (N = 216).

Fig. 1

This map was obtained from the U.S. Census Bureau that permits the free use of the map for publication (https://catalog.data.gov/dataset/2013-cartographic-boundary-file-state-for-united-states-1-20000000).