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. 2020 Aug 18;22(8):e21413. doi: 10.2196/21413

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©Lena Veiga e Silva, Maria Da Penha de Andrade Abi Harb, Aurea Milene Teixeira Barbosa dos Santos, Carlos André de Mattos Teixeira, Vitor Hugo Macedo Gomes, Evelin Helena Silva Cardoso, Marcelino S da Silva, N L Vijaykumar, Solon Venâncio Carvalho, André Ponce de Leon Ferreira de Carvalho, Carlos Renato Lisboa Frances. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 18.08.2020.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on http://www.jmir.org/, as well as this copyright and license information must be included.

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Methodology diagram adapted from Fayyad et al [21]. DATASUS: Department of Informatics of the Unified Healthcare System; SIM: Mortality Information System; ICD-10:International Statistical Classification of Diseases and Related Health Problems–10th Revision; COVID-19: coronavirus disease.