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PP, PR, ZN, KP, RG, GVR, MT and DNR declare no competing interests.
Ethical approvalThe study was approved by the institutional review board. Written informed consent was taken from each patient and the study conformed to the 1975 Declaration of Helsinki ethical guidelines.
Consent to participateInformed consent was obtained from all individual participants included in the study.
DisclaimerThe authors are solely responsible for the data and the content of the paper. In no way, the Honorary Editor-in-Chief, Editorial Board Members, the Indian Society of Gastroenterology or the printer/publishers are responsible for the results/findings and content of this article.
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