Funding for this research was provided by:
Faculty Research Fund
Received: 12 September 2019
Accepted: 24 October 2019
First Online: 8 November 2019
Ethics approval and consent to participate
: Ethical approval for the research (UCMS/IRC/73/18) was taken from Institutional Review Committee (IRC), UCMS, Bhairahawa, Nepal. Both verbal and written consent were taken from the participants and concerned guardians prior to the study.
: Not applicable.
: The authors declare that they have no competing interests.