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. 2021 Jan 13;8(1):201209. doi: 10.1098/rsos.201209

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© 2021 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 7. — POIs with significant flux-in changes in the four one-week periods: (a) New York, (b) Austin, (c) San Francisco and (d) Seattle. We included top five businesses related to hotspot POIs with significant flux-in changes in each week. The indicator on the radar chart refers to the number of weeks the business activity was in the top five affected POIs.