Funding for this research was provided by:
Foundation for the National Institutes of Health (R01CA188248)
Text and Data Mining valid from 2019-08-08
Received: 14 January 2019
Accepted: 19 July 2019
First Online: 8 August 2019
Ethics approval and consent to participate
: This study was approved by the ethical review boards at the Kenya Medical Research Institute, Duke University and the University of California, San Francisco. All participants gave written informed consent before participation in the study.
: Not applicable.
: The authors declare that they have no competing interests.