Funding for this research was provided by:
Bill & Melinda Gates Foundation (INV-009256)
Received: 13 December 2020
Accepted: 8 November 2021
First Online: 18 November 2021
: We obtained ethical approval for the study from the Johns Hopkins Bloomberg School of Public Health Institutional Review Board (IRB) and the Ethics Committee of Bal Umang Drishya Sanstha (BUDS). Written consent was collected from all participants prior to engaging in data collection.
: N/A – our data do not contain identifiable individual data.
: The authors declare that they have no competing interests.