Received: 18 July 2019
Accepted: 11 June 2020
First Online: 19 June 2020
Ethics approval and consent to participate
: The ethical approval for this study was obtained from the Nepal Health Research Council (Reference no: 122/2014) which is the national peak body that approves human researches and monitors such studies within the country. Written informed consent was taken from the study participants before the data collection and personal identifiers were removed during the data analysis.
: Not applicable.
: The authors declare that they have no competing interests.