Funding for this research was provided by:
National Institutes of Health (K24 DK1046761 to Christopher Duggan and P30 DK04056 to Christopher Duggan)
Received: 28 February 2020
Accepted: 26 May 2020
First Online: 4 June 2020
Ethics approval and consent to participate
: Ethical approval for the trials was granted by the Muhimbili University of Health and Allied Science Committee of Research and Publications, the Tanzanian National Institute of Medical Research, the Tanzanian Food and Drug Authority, and the Harvard T.H. Chan School of Public Health Human Subjects Committee. All caregivers provided written informed consent for participation in the trials.
: Not applicable.
: The authors do not have any potential, perceived, or real conflicts of interest relating to this work.