Text and Data Mining valid from 2019-07-09
Received: 29 April 2019
Accepted: 1 July 2019
First Online: 9 July 2019
Ethics approval and consent to participate
: The ethical approval for this study was provided by the Institutional Review Committee (IRC) of B P Koirala Institute of Health Sciences (BPKIHS), Dharan, Nepal. Consents to enroll in the study were taken from each child including their guardians.
: Not applicable.
: he authors declare that they have no competing interests.