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Authors
Kushibuchi, Mio
Sousa Filho, José Firmino
Ferreira, Andrêa J.F.
Blencowe, Hannah
Santos, Gervásio Ferreira
Barreto, Mauricio L.
Paixão, Enny S.
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Article History
Received: 24 February 2025
Accepted: 6 October 2025
First Online: 4 November 2025
Declarations
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: This study received ethical approval from the MSc Research Ethics Committee at the London School of Hygiene & Tropical Medicine (LSHTM), reference number 30978, on 3 June 2024. The study utilized publicly available, anonymized data from DATASUS, ensuring compliance with ethical guidelines for secondary data analysis. As no direct participant involvement was required, additional consent was not applicable. All procedures performed in this study were conducted in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Not applicable, as no individual data or images are included in the manuscript.
: The authors declare no competing interests.
