Funding for this research was provided by:
Received: 3 June 2021
Accepted: 31 March 2022
First Online: 14 April 2022
: The ethical approval for the study was taken from the Ethical Review Board (ERB) of Nepal Health Research Council (reg. no. 26–2017). Written consent was obtained from the participants enrolled in the study. Written informed consent for participation in the study was obtained where participants are children (under 16 years old) from their parent or guardian.
: Not applicable.
: None. Anna Axelin was editorial board member until September 2021.