Funding for this research was provided by:
Biotechnology and Biological Sciences Research Council (BB/E/I/00007004)
Department for Environment, Food and Rural Affairs (SE2943)
Text and Data Mining valid from 2019-05-14
Received: 22 March 2019
Accepted: 23 April 2019
First Online: 14 May 2019
Ethics approval and consent to participate
: This research was authorized by the Kenyan National Council for Science and Technology (NACOSTI/P/16/9811/13438) and by the Kenyatta National Hospital—University of Nairobi Ethics and Research Committee (Reference: P301/04/2016).
: The authors declare that they have no competing interests.