le Roux, Alwyn http://orcid.org/0000-0002-1565-9575
Du Plessis, Anne-Marie http://orcid.org/0000-0002-2727-7582
Pitcher, Richard http://orcid.org/0000-0003-3910-0749
Article History
Received: 8 November 2020
Accepted: 18 January 2021
First Online: 22 February 2021
Declarations
:
: The study was approved by the Health Research Ethics Committee of Stellenbosch University (S18/10/219) and the Western Cape Department of Health. Waiver of informed consent was obtained. The procedures used in this study adhere to the tenets of the Declaration of Helsinki. Waiver of informed consent was obtained from the Health Research Ethics Committee of Stellenbosch University due to the retrospective design of the study.
: Not applicable.
: The authors declare that they have no conflict of interest.