Conflict of interest

AY, AKG, HV, PB, AB and VS declare no competing interests.

Ethical approval

Not applicable.

Informed consent

Obtained.

Disclaimer

The authors are solely responsible for the data and the contents 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.