Text and Data Mining valid from 2018-04-03
Received: 28 December 2017
Accepted: 26 March 2018
First Online: 3 April 2018
Ethics approval and consent to participate
: Ethical approval for the current studies were obtained from Institutional Review Committee of Kathmandu University School of Medical Sciences, Dhulikhel with ethical approval number 75/15.All the participants provided informed consent before the start of the study. Those participants who could not sign, provided verbal consent to participate and a witness signed on their behalf.
: Not applicable.
: The authors declare that they have no competing interests.
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