Mann, T. N. http://orcid.org/0000-0002-9750-5106
Dunn, R. N. http://orcid.org/0000-0002-3689-0346
Vlok, A. J. http://orcid.org/0000-0002-3202-2867
Davis, J. H. http://orcid.org/0000-0002-1909-7629
Funding for this research was provided by:
Stellenbosch University
Article History
Received: 7 March 2023
Revised: 25 May 2023
Accepted: 3 June 2023
First Online: 16 June 2023
Declarations
:
: The authors have no conflict of interest to declare.
: The study was approved by the Health Research Ethics Committee of Stellenbosch University (reference number N20/11/118) and by the Research Governance Committee of the medical scheme. Furthermore, the study was performed in line with the principles of the Declaration of Helsinki. A waiver of informed consent was granted by the ethics committee due to the use of retrospective, anonymized data. The dataset analysed during the study is not publicly available due to a confidentiality agreement signed with the medical scheme. The data may be made available upon reasonable request, pending consultation with the scheme.