Funding for this research was provided by:
Text and Data Mining valid from 2020-03-25
Received: 30 August 2019
Accepted: 9 March 2020
First Online: 25 March 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Nepal Health Research Council (Kathmandu, Nepal) and the World Health Organization (Geneva, Switzerland) and informed consent was sought from each participant. Consent was obtained verbally from participants who were able to read and write and verbally for participants who were unable to read and write.
: Not applicable.
: The authors declare that they have no competing interests.