Received: 18 May 2021
Accepted: 6 September 2021
First Online: 20 September 2021
: Information was collected by interviewing/examining patients and reviewing available clinical records. Written informed consent from study participants was obtained. This study was approved by the University of Witwatersrand Human Research Ethics Committee (protocol no: M191175). Permission for the study was obtained from the relevant clinical head of department and the CHBAH chief executive officer.
: Not applicable.