Received: 17 August 2021
Accepted: 17 January 2022
First Online: 29 January 2022
: All methods were carried out in accordance with relevant guidelines and regulations. The study was approved by the research ethics committee of the Human Sciences Research Council (HSRC) REC 3/22/08/18 and the Johannesburg District Research Committee. All participants provided written informed consent to the study.
: Written informed consent for publication was obtained from all participants.
: The authors declare that they have no competing interests.