Received: 17 November 2017
Accepted: 11 January 2018
First Online: 17 January 2018
Ethics approval and consent to participate
: This study was approved by the Ethical Committee of Nepal Health Research Council (NHRC). All the data and human subjects’ research were gathered and conducted for this publication under an NHRC IRB approved protocol.
: Not applicable
: The authors declare that they have no competing interests.
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