Received: 9 May 2019
Accepted: 8 November 2019
First Online: 26 November 2019
Ethics approval and consent to participate
: All respondents were informed of the nature of the study and written consent was sought to interviews being conducted. All respondents were 18 years and older. The study was approved by the Human Research Ethics Committee, Curtin University (HRE2017–0394) and the ethics committee of the Nepal Health Research Council (Reg no.189/2017).
: Not applicable.
: The authors declare that they have no competing interests.