Article History
Received: 6 February 2019
Accepted: 25 February 2019
First Online: 6 March 2019
Compliance with Ethical Standards
:
: Shama A. Bellad, Avinash Kavi, R. S. Mudhol declare that we have no cConflict of interest.
: The study has been approved by the institutional ethics committee and the study has been performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: As the study participants are below 18 years of age and not eligible to give consent, assent was obtained from class teacher and the school headmaster.