Funding for this research was provided by:
National Institutes for Health-Fogarty International (Bethesda, MD, USA) and South African TB/AIDS Research Training (SATBAT, Johannesburg, South Africa) Grant (5U2RTW00773 and 5U2RTW007373)
Received: 25 September 2018
Accepted: 27 February 2019
First Online: 7 March 2019
Ethics approval and consent to participate
: The purpose and procedures of the study were explained to caregivers and written consent was obtained from all individual caregivers before they were recruited into the study. Verbal consent was obtained from those potential participants who could not give a written consent because of illiteracy or were not comfortable in having their signature in the consent. The protocol for this study was approved by the Biomedical Research Ethics Committee of University of KwaZulu-Natal (Ref. number: BREC 104/09) and permission was obtained from the health institutions involved.
: Rajen Naidoo is an Editorial Board Member for BMC Public health. The authors declare that they have no competing interests.
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