Received: 6 April 2019
Accepted: 25 July 2019
First Online: 30 July 2019
Ethics approval and consent to participate
: The study received ethical and scientific approval from the Institutional Review Board of the School of Biomedical Sciences, College of Health Sciences, Makerere University (SBS 146); and from the Uganda National Council of Science and Technology (HS 1590). Fred Hutchinson Cancer Research Center IRB approved participation of authors based at their institution (W.P.). A written informed consent was obtained from all participants. An assent was obtained from children between 8 and 17 years in addition to parental informed consent.
: Not applicable.
: The authors declare that they have no competing interests.