Funding for this research was provided by:
United States Agency for International Development (GHS-A-00-09-00004-00)
Bill and Melinda Gates Foundation (OPP1084399)
National Institute for Child Health and Development (HD060712)
Received: 26 April 2019
Accepted: 24 December 2019
First Online: 6 January 2020
Ethics approval and consent to participate
: Written informed consent was obtained from all the respondents. Ethical approval was obtained from The Johns Hopkins Bloomberg School of Public Health Institutional Review Board (Baltimore, USA) and the Nepal Health Research Council, Ministry of Health and Population (Kathmandu, Nepal).
: Not applicable
: The authors declare that they have no competing interests.