Funding for this research was provided by:
South African Medical Research Council (RCDI, P/C 57009)
South African National Research Foundation (GUN 109312)
Received: 17 April 2020
Accepted: 16 November 2020
First Online: 6 January 2021
Ethics approval and consent to participate
: Not applicable. The study did not require an independent review because no human subjects were involved, and no personal identifiers were used.
: Not applicable.
: POB and NDM declare no conflict of interest. DMT is an Associate Editor for AIDS Research and Therapy.