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. 2021 Mar 10;8(3):201310. doi: 10.1098/rsos.201310

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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 1. — Geographical distribution of participants. Panel (a) shows Lombardy's location within Italy, while panel (b) includes the region's map. Dots indicate the approximate location of participants based on their self-declared municipality of residence. Background colours reflect the population of each province.