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. 2021 May 24;11:10760. doi: 10.1038/s41598-021-90118-5

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© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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The municipalities are clustered in two ways, from left to right: (1) the proportion of fatal cases per age group and the age pyramid; (2) the same variables plus Human Development Index, population density, temperature, and humidity. The municipalities that changed group because of re-clustering are connected by gray line, while the ones that were kept together are connected through RGB color system.