Conflict of interest

RC, RS, MP, CG, MPr and SR declare no competing interests.

Ethical approval and consent to participate

Although this is a retrospective study of prospectively maintained data, ethical approval and consent for participation have been obtained.

Consent for publication

Yes. All authors gave the consent for publication.

Human ethics

Maintained.

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.