Received: 4 March 2018
Accepted: 15 February 2019
First Online: 26 February 2019
Ethics approval and consent to participate
: Ethical approval for this study was granted by the Nepal Health Research Council (NHRC 20/2014) and the Curtin University Human Research Ethics Committee (HR 17/2014). Informed consent was a prerequisite of research participation. All participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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