Funding for this research was provided by:
Wellcome Trust (077092/B/05/F)
Bill and Melinda Gates Foundation (OPP1131320)
Medical Research Foundation (MR/L004364/1, MR/N021940/1, MR/M007367/1)
Received: 26 July 2018
Accepted: 10 January 2019
First Online: 28 January 2019
Ethics approval and consent to participate
: The study was approved by the Kenya Medical Research Institute (KEMRI) National Ethical Review Committee (SCC 2778). Informed consent was given in writing by parents/guardians for their child’s participation in the study.
: Not applicable
: The authors declare that they have no competing interests.
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