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Article History

Received: 5 April 2022

Accepted: 14 September 2022

First Online: 22 September 2022

Declarations

:

: The authors declare no competing interests.

: The study was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.

: Not applicable.

: The study was approved by the University of the Witwatersrand Human Research Ethics Committee (Medical) (clearance number: M210235).

: The authors conceived this study, and performed the data collection, analysis and interpretation, and the writing of this article. The manuscript, data, figures, and tables have not been previously published and are not under consideration elsewhere.