Kariuki Njenga, M.
Bett, Bernard
Article History
First Online: 13 September 2018
Compliance with Ethical Standards
:
: M. Kariuki Njenga and Bernard Bett declare that they have no conflict of interest.
: The study protocol used to collect data presented in Table 1 was approved by the institutional review boards of Kenya Medical Research Institute in compliance with all applicable regulations governing the protection of human subjects.