Funding for this research was provided by:
Center for AIDS Research, Johns Hopkins University (P30AI094189)
National Institute of Allergy and Infectious Diseases (R01AI116787)
Received: 27 June 2017
Accepted: 18 June 2018
First Online: 4 July 2018
Ethics approval and consent to participate
: The research on human subjects was approved by the University of the Witwatersrand’s Human Research Ethics Committee, the Johns Hopkins Bloomberg School of Public Health Internal Review Board, and the Limpopo Provincial Government Department of Health. Study participants provided individual, written informed consent for inclusion in the study. Parental consent was obtained for participants less than 18 years of age; children ages 7–17 also provided assent.
: Not applicable.
: JG is an editor at <i>BMC ID</i>. The authors declare that they have no competing interests.
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