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Authors
Kumar, Rajan
Biswas, Bijit
Kumar, Manoj
Kumar, Deepak
Ansari, Ehtesham
Kundu, Soumi
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Article History
Received: 22 May 2025
Accepted: 10 November 2025
First Online: 29 December 2025
Declarations
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: The authors declare no competing interests.
: The study protocol received approval from the Institutional Research Committee (IRC) and the Institutional Ethics Committee (IEC) (Ref: 2022-75-IND-02) of AIIMS Deoghar. The study objectives were clearly communicated to all parents of the participants, and written informed consent was obtained prior to the enrolment of their children. For illiterate parents or guardians, informed consent was obtained through a verbal explanation in the presence of two literate witnesses. Thumb impressions were taken from the participants’ parents or guardians, and both witnesses signed to document the consent. Confidentiality was ensured by anonymizing all data, which were used solely for research purposes. The study adhered strictly to the ethical principles of the Declaration of Helsinki.
