Received: 3 January 2022
Accepted: 8 March 2022
First Online: 1 April 2022
: Ethical approval was obtained from the institutional ethics committee (Adichunchanagiri Institute of Medical Sciences) IEC number-AIMS/IEC/489/2021. Written informed consent was obtained from parents/guardian of the children enrolled in the study.
: Not applicable.
: The authors declare that they have no competing interests.