Funding for this research was provided by:
University Grants Commission- Nepal
Article History
Received: 23 May 2018
Accepted: 4 July 2019
First Online: 25 July 2019
Ethics approval and consent to participate
: Ethics approval to conduct this study was obtained from the Institutional Research Board of the Institute of Medicine. The reference number is 263(6–11-E)<sup>2</sup> 073/074. Written consent was obtained from each participant.
: Not applicable.
: The authors declare that they have no competing interests.