Received: 30 August 2019
Accepted: 15 June 2020
First Online: 19 June 2020
Ethics approval and consent to participate
: This study was granted ethical clearance from ethical review board of Nepal Health Research Council (Ref no: 540/2017). Permission was also granted by the local Municipality Office. Written informed consent was obtained from all the participants. Participation was voluntary, and participants’ identity were kept confidential.
: Not applicable.
: The authors state that they have no competing interests.