Funding for this research was provided by:
United States Agency for International Development (AID-OAA-A-12-00,058)
Bill and Melinda Gates Foundation (Measurement & Surveillance of HIV Epidemics (MeSH) Consortium)
National Institutes of Health (P30AI094189)
Received: 2 May 2017
Accepted: 10 January 2019
First Online: 5 March 2019
Ethics approval and consent to participate
: This study was approved by the Johns Hopkins Bloomberg School of Public Health Institutional Review Board (FWA 00000287): and the Eswatini Scientific and Ethics Committee (FWA 00015267). All participants in this study provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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