Funding for this research was provided by:
Medical Research Council and the UK Department for International Development (DFID) under MRC/DFID (MR/M025454/1)
Initiative to Develop African Research Leaders (107769/Z/15/Z)
Text and Data Mining valid from 2018-09-10
Received: 25 January 2018
Accepted: 21 August 2018
First Online: 10 September 2018
Ethics approval and consent to participate
: This study was reviewed and approved by the Kenya Medical Research Institute (KEMRI) Scientific and Ethics Review Unit (SERU) approved this study to be conducted (KEMRI/CGMRC/CSC/030/2015).
: This manuscript is published with the permission of the director of Kenya Medical Research Institute.
: The authors declare that they have no competing interests.