Article History
Received: 3 May 2019
Accepted: 25 October 2019
First Online: 9 December 2019
Ethics approval and consent to participate
: The institutional Ethical Review Board at the Institute of Medicine, Tribhuvan University, Nepal, approved this study. All the participants were explained about the study objectives, and written informed consent was obtained before participating in this study.
: All the authors’ consent for publication of this paper is in the HRH.
: The authors declare that they have no competing interests.