Conflict of interest

SD, ASP, PK, EG, VK, VS, RK, SA and BBL declare no competing interests.

IRB approval

This is a retrospective study. Ethical approval was obtained from the institutional ethical committee (IEC/2019/66/MA04) of the Institute of Liver and Biliary Sciences, New Delhi. The study protocol conformed to the ethical guidelines of the 1975 Declaration of Helsinki.

Patient consent

Consent waiver was obtained as this was a retrospective study.

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.