Article History
Received: 14 March 2019
Accepted: 26 August 2019
First Online: 5 September 2019
Ethics approval and consent to participate
: The SAPiT and TRuTH studies were conducted under the oversight of the Biomedical Research Ethics Committee (BREC) at the University of KwaZulu-Natal (BREC ref.: E107/05 [SAPiT]; BF051/09 [TRuTH]). Participants in the SAPiT and TRuTH studies provided written informed consent. The current study is a retrospective secondary analysis of previously collected anonymized data from the parent trials with no direct participant contact and received ethics approval (BREC ref.: BE046/16).
: Not applicable.
: The authors declare that they have no competing interests.