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Article History

Received: 18 April 2025

Accepted: 13 May 2025

First Online: 7 June 2025

Compliance with ethical standards

:

: The study protocol was approved by the Institutional Ethics Committee of the Institute of Postgraduate Medical Education and Research Kolkata (Memo no. IPGME&R/RAC/075 dated 8th August 2019), Institutional Ethical Clearance, University of Calcutta (Ref. No. 06/ET/19-20/1750 dated 13th June 2019) and Institutional Human Ethical Committee, Department of Physiology, University of Calcutta (Ref. No. IHEC/SD/P98/2020) dated 5th February 2020). An information sheet with the study rationale and individual rights was handed to the caregivers of the participants. Written informed consents were then obtained from the legally authorized representatives and patients. All experiments were performed according to the approved guidelines and regulations of the Human Ethics Committee, the Institutional Biosafety Committee of the University of Calcutta, and the Institute of Postgraduate Medical Education and Research Kolkata. All the procedures involving the subject handling, and blood collection were done under the supervision of an experienced endocrinologist and phlebotomist.

: Written informed consent was obtained from all the participants and their caregivers in the study.

: The authors declare no competing interests.