Article History
Received: 27 March 2020
Accepted: 28 January 2021
First Online: 12 February 2021
Ethics approval and consent to participate
: This study was approved by the Institutional Review Committee (IRC) of B.P Koirala Institute of Health Sciences, Dharan, Nepal (Ref. No. 472/073/074-IRC; Code no.: IRC/0959/017). Written consent was obtained from each participant after explaining the objectives of the study.
: Not applicable.
: The authors declare that they have no competing interests.