Competing interests

SB, AK, AD and US declare no competing interests.

Ethical approval and consent to participate

Not applicable.

Ethical approval

Not applicable.

Consent for publication

Not applicable.

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.