Funding for this research was provided by:
Tshwane University of Technology
Received: 3 July 2020
Accepted: 11 August 2020
First Online: 24 August 2020
Ethics approval and consent to participate
: The study has been approved by the University of Pretoria Faculty of Health Sciences Research Ethics Committee (Ethics Reference no 310/2020).
: Consent for publication has been granted.
: Marcus, Heese, and Shelly have nothing to disclose. Scheibe reports personal fees from Gilead and Bristol Myers Squibb Foundation outside the submitted work. Hugo reports grants from City of Tshwane during the conduct of the study. Lalla reports that his employment at UP is supported by the City of Tshwane COSUP funding.