Article History
Received: 23 January 2020
Accepted: 21 July 2020
First Online: 27 July 2020
Ethics approval and consent to participate
: The study was approved by the Institutional Review Committee of Kathmandu University School of Medical Sciences, Dhulikhel Nepal. All study participants provided informed consent before data collection. Participants who can read and sign the consent form provided a written consent. The participants who could not sign provided verbal consent and a witness signed on their behalf.
: Not required.
: None.