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Authors
Pengpid, Supa
Peltzer, Karl https://orcid.org/0000-0002-5980-0876
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Funding
Funding for this research was provided by:
University of the Free State
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Article History
Accepted: 5 October 2025
First Online: 18 October 2025
Declarations
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: The study protocol was approved by the “University of the Witwatersrand Human Research Ethics Committee (ref. M141159), the Harvard T.H. Chan School of Public Health, Office of Human Research Administration (ref. C13–1608–02), and the Mpumalanga Provincial Research and Ethics Committee”. Participants gave written informed consent.
: No potential conflict of interest was reported by the author(s).
