Funding for this research was provided by:
Bill and Melinda Gates Foundation (OPP30183)
Article History
Accepted: 21 September 2021
First Online: 29 September 2021
Declarations
:
: All authors declare that they have no conflict of interest.
: This research was approved by the Institutional Review Boards at American University and at Duke University, the Human Investigations Committee at Yale University, and the VHS-YRG Care Medical Centre Institutional Review Board in Chennai, India.
: Informed consent was obtained from all individual participants in the study.