Funding for this research was provided by:
Bill and Melinda Gates Foundation (DW OPP1107312)
Received: 23 April 2020
Accepted: 8 March 2021
First Online: 19 March 2021
: The parent study from which data were analyzed obtained approval with both UCSF and University of Rwanda National Ethics Council institutional review boards. Participants completed written informed consent forms or selected to have it read aloud. This study protocol was reviewed and approved by the Rwanda National Ethics Committee (No 0034/RNEC/2017) and the UCSF Institutional Review Board (No 16-21177).
: Not applicable.
: The authors have declared that no competing interests exist.