Funding for this research was provided by:
Indian Council of Medical Research (5/7/329/2009-RHN)
Received: 25 May 2021
Accepted: 2 November 2021
First Online: 29 November 2021
: The Institute Ethics Committee approved the study protocol (PGI/IEC/2015/1374). Written informed consent to participate will be obtained from the parents of all participants.
: Consent for publication is not applicable. However, the informed consent form for participants enrolled in the study has been provided in the InternalRef removed.
: The authors declare that they have no competing interests.