Funding for this research was provided by:
National Institutes of Health (P30-AI124414)
National Institute of Mental Health (P30-MH43520)
International Initiative for Impact Evaluation (TW2.2.06 supplement)
Received: 23 July 2018
Accepted: 19 December 2018
First Online: 3 January 2019
Ethics approval and consent to participate
: Study participants provided consent through a passive consenting process, as described in the methods section. All study procedures were approved by the City University of New York Institutional Review Board, the Kenya Medical Research Institute Ethics Committee, and the University of KwaZulu-Natal Biomedical Research Ethics Committee.
: Not applicable.
: The authors declare that they have no competing interests.
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