Funding for this research was provided by:
Bill and Melinda Gates Foundation (A122394)
Global Fund to Fight AIDS, Tuberculosis and Malaria
Horchow Family Fund Scholarship (5300375400)
Text and Data Mining valid from 2019-07-15
Received: 31 December 2018
Accepted: 9 July 2019
First Online: 15 July 2019
Ethics approval and consent to participate
: This study was approved by the Scientific Ethics Committee of the Eswatini Ministry of Health and the University of California, San Francisco Committee on Human Research. Written consent was provided from all consenting participants.
: Not applicable.
: The authors declare that they have no competing interests.