Funding for this research was provided by:
Nick Simons Institute
Received: 21 September 2021
Accepted: 15 February 2022
First Online: 4 March 2022
: The study was approved by Nepal Health Research Council (Reg. no. 35O /2018). All the participants received an information sheet and an oral explanation about the study. Written consent was obtained from each participant.
: Not applicable.
: All the authors declare that there is no conflict of interest.