Funding for this research was provided by:
South African Medical Research Council (207501517)
Received: 30 January 2020
Accepted: 27 July 2020
First Online: 1 August 2020
Ethics approval and consent to participate
: Ethics approval was obtained through the Biomedical Research Ethics Committee (BREC) from the University of KwaZulu-Natal (Ref No: BE424/18). Approval was obtained through the National Health Research Database (NHRD) from the KwaZulu-Natal Provincial Department of Health (Ref No: KZ_2018009_013). A written informed consent was obtained from the study participants prior to their enrolment. The two research assistants went through the informed consent with the potential participants in a language preferred by the participants. The study adhered to sound ethical standards including confidentiality, voluntariness of participation and full disclosure of the research process.
: Not applicable.
: The authors declare that they have no competing interests.