Article History
Received: 18 May 2020
Revised: 20 March 2021
Accepted: 29 March 2021
First Online: 18 October 2021
Declarations
:
: Ethical approval for the trials, including all study protocols and informed consent forms, was received from the University of KwaZulu-Natal Biomedical Research Ethics Committee and the South African Medical Research Council Ethics Committee as well as the various study-specific Institutional Review Boards.