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Authors
Okonji, Emeka F. http://orcid.org/0000-0002-3499-6948
van Wyk, Brian http://orcid.org/0000-0003-1032-1847
Mukumbang, Ferdinand C. http://orcid.org/0000-0003-1441-2172
Hughes, Gail D.
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Article History
Received: 6 May 2021
Accepted: 20 September 2021
First Online: 9 October 2021
Declarations
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: Ethics clearance was obtained from the University of the Western Cape Biomedical Research Ethics committee (BM19/1/8) and the National Health Research Ethics committee to use the electronic medical dataset (Tier.net) (MP_202102_006). We adhered to the 1964 declaration of Helsinki guidelines. According to the declaration, research that involves human subjects amongst others must keep with the following (1) strive to protect life, health, privacy, and the dignity of the research participants, (2) employ greater care to protect the participants from harm and (3) conduct the research because the importance of the research purpose, outweighs the risk that might be attributed to the study either at present or in the future (18th WMA General Assembly, Helsinki, 2001). <i>Ethics approval number</i>: BM19/1/8.
: Not applicable.
: The authors declare no competing interests.
