Received: 29 June 2020
Accepted: 28 June 2021
First Online: 7 July 2021
: Ethical approval for the study as well as a waiver of consent for access of clinical/personal data was obtained from the Human Research Ethics Committee of the Faculty of Medicine and Health Sciences of Stellenbosch University (Reference number: U19/05/023). This waiver negated the need for acquisition of any administrative permissions or licenses.
: Not applicable.
: The authors declare that they have no competing interests.