Funding for this research was provided by:
U.S. President’s Emergency Plan for AIDS Relief (AID-674-A-12-00033)
Fogarty International Center (R25TW009340)
Center for AIDS Research, Johns Hopkins University (P30AI094189)
Text and Data Mining valid from 2019-05-09
Received: 23 January 2019
Accepted: 26 April 2019
First Online: 9 May 2019
Ethics approval and consent to participate
: All participants provided written informed consent. Ethical approval was obtained from the Human Research Ethics Committee at the University of Witwatersrand in Johannesburg, South Africa (protocol M130467).
: Not applicable.
: Sheree Schwartz is a member of the BMC Public Health editorial board.All other co-authors declare that they have no competing interests.
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