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Article History

Received: 22 July 2025

Accepted: 23 January 2026

First Online: 6 February 2026

Declarations

:

: Ethical Review Committee of icddr,b (protocol no: PR-22117; Version 1.2; 29 November 2022). The running approved protocol version is v1.3, dated 07 May 2024. Each participant enrolled in the study is treated according to what is morally right and proper. After complete disclosure, a signed written informed consent statement is obtained from each subject. If the subject agrees to participate in the study, they sign the consent form or provide an impression of their thumb. For endoscopy and supplement intervention, a separate consent form is used and the aforementioned procedure is followed. The consent form for endoscopy clearly and fully describes, and demystifies, all aspects of the process, including the risks related with the procedure. No information is remained withheld from the participant.

: Not applicable.

: The authors declare no competing interests.