Received: 2 March 2021
Accepted: 22 December 2021
First Online: 4 January 2022
: The study received ethics approvals from the University of KwaZulu-Natal Biomedical Research Ethics Committee (BREC) (BREC REF: BE651/18); the KZN Department of Health (KZ_201811_034) as well as the subject hospital, where data were collected.
: Not applicable—the study was a retrospective chart review.
: The authors declare that there are no competing interests.