Funding for this research was provided by:
Text and Data Mining valid from 2020-02-03
Received: 27 May 2019
Accepted: 23 December 2019
First Online: 3 February 2020
Ethics approval and consent to participate
: We received ethical review and approval from the Kenya Medical Research Institute, Scientific and Ethics Research Unit (KEMRI/ SERU) under number SSC NO: 2795. We also obtained approval from the National Commission for Science, Technology and Innovation (NACOSTI) and relevant organizational heads followed by written informed consents from all the participants who agreed to participate in the study.
: All participants provided written consent for participating and granted permission to use their data publicly.
: The authors declare that they have no competing interests.