Funding for this research was provided by:
World Bank Group (ACE02-WACCBIP)
Bill and Melinda Gates Foundation (Postgraduate Training Fellowship, Postdoctoral)
Received: 21 November 2019
Accepted: 30 January 2020
First Online: 10 February 2020
Ethics approval and consent to participate
: The Institutional Review Board (IRB) of the Noguchi Memorial Institute for Medical Research (NMIMR) gave approval for the original study (#089/14-15) as well as for the reuse of the samples. Participants were enrolled only after written informed consent was obtained. Written parental consent was obtained from the parents or guardians of participants who were minors.
: Not applicable.
: The authors declare that they have no competing interests.