Text and Data Mining valid from 2020-03-06
Received: 19 September 2019
Accepted: 25 February 2020
First Online: 6 March 2020
Ethics approval and consent to participate
: Ethics approval was obtained from Human Research Ethics Committee (HREC) of University of New South Wales (UNSW), Sydney, Australia (HC180502), and the Nepal Health Research Council (Reg no 495). All the participants completed and signed an informed consent form.
: Not applicable.
: The authors declare that they have no competing interests.