Article History
Received: 9 May 2021
Accepted: 20 September 2021
First Online: 11 November 2021
Declarations
:
: Ethical clearance was provided by the provincial government departments of Health and Education, the Universities of Oxford (SSD/CUREC2/09-52), Cape Town (389/209) and KwaZulu-Natal (HSS/0254/09). Informed assent was sought from adolescents, and their primary caregiver provided informed consent.
: Not applicable
: No competing interests to declare.