Funding for this research was provided by:
Bill and Melinda Gates Foundation (OPP1084364)
World Bank Group (7161402)
Received: 6 August 2018
Accepted: 21 February 2019
First Online: 28 February 2019
Ethics approval and consent to participate
: Ethical approval was not required for this retrospective study of anonymised data collected during routine HIV care. All identifying data were removed from the datasets before use in this study.
: Not applicable.
: The authors declare that they have no competing interests.
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