Funding for this research was provided by:
Department for International Development, UK Government
Received: 25 May 2017
Accepted: 18 January 2018
First Online: 30 January 2018
Ethics approval and consent to participate
: Formal ethical approval was granted by the Nepal Health Research Council (NHRC. Ref No.: 650) and the Liverpool School of Tropical Medicine Masters Review Panel (No. 02). Written informed consent was obtained from each respondent and was orally explained if respondents were illiterate.
: Not applicable
: The authors declare that they have no competing interests
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