Article History
Received: 19 October 2021
Revised: 31 December 2021
Accepted: 3 January 2022
First Online: 12 January 2022
Declarations
:
: All the procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by the Institutional Ethics Committee of AIIMS, Rishikesh, India.
: Informed, written consent was obtained from the parents of all individual participants included in the study.
: Obtained.
: The authors declare no competing interests.
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