Received: 11 June 2020
Accepted: 24 January 2021
First Online: 4 February 2021
Ethics approval and consent to participate
: Before the commencement of this study, ethical approval was obtained from the biomedical research ethics committee (BREC) of the University of KwaZulu-Natal (UKZN) (Reference number BE 314/18).Each participant read or was read to, the Informed Consent Form from BREC and consented to participate in the study and signed the form before being included in the study.
: Not applicable.
: The authors declare that they have no competing interests.