Funding for this research was provided by:
Received: 10 November 2020
Accepted: 11 March 2021
First Online: 23 March 2021
: Ethical review and approval for this study was granted by the Johns Hopkins Institutional Review Board (IRB 9093), the Kenya Medical Research Institute Scientific Ethics Review Unit (SERU 3888), and the World Health Organization Ethical Review Committee (ERC 0003186). Before being included in the study, written informed signed consent was obtained from the participants. During the consenting process, the study was described and the consent form read in the participant’s chosen language by the study staff. The consent form detailed the purpose and design of the study, descriptions of study benefits and risks, and a statement about voluntary participation and the freedom to drop out of the study at any time and without prejudice. Participants who were illiterate were asked to appose their thumbprint and a literate witness (known/selected by the participant and having no connection to the research team) was asked to sign. All participants were provided with a signed copy of the consent form after agreeing to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.