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. 2021 Apr 7;9(4):e23718. doi: 10.2196/23718

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©Márcio Luís Moreira De Souza, Gabriel Ayres Lopes, Alexandre Castelo Branco, Jessica K Fairley, Lucia Alves De Oliveira Fraga. Originally published in JMIR mHealth and uHealth (http://mhealth.jmir.org), 07.04.2021.

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 JMIR mHealth and uHealth, is properly cited. The complete bibliographic information, a link to the original publication on http://mhealth.jmir.org/, as well as this copyright and license information must be included.

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Flow diagram summarizing the data-processing and app-building steps. SINAN: Sistema de Informação Nacional de Agravos de Notificação (National Notifiable Diseases Information System); DATASUS: DATASUS: Sistema Único de Saúde (Unified Health System) data portal; RF: random forest; csv: Comma Separated Value.