Funding for this research was provided by:
National Institutes of Health (D43TW010319)
World Bank Group (P151847/ IDA 5797-UG)
Received: 5 May 2020
Accepted: 27 June 2020
First Online: 6 July 2020
Ethics approval and consent to participate
: Ethical clearance was obtained from the Makerere University School of Biomedical Sciences Research and Ethics Committee. A waiver of consent was obtained before samples were used.
: Not applicable.
: The authors declare that they have no competing interests.