Monjur Ahmed, Division of Gastroenterology and Hepatology, Department of Internal Medicine, Thomas Jefferson University, Philadelphia, PA 19107, United States
Author contributions: Ahmed M solely contributed to this work.
Conflict-of-interest statement: None to declare.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: Monjur Ahmed, MD, FRCP, Division of Gastroenterology and Hepatology, Department of Internal Medicine, Thomas Jefferson University, 132 South 10th Street, Suite 468, Main Building, Philadelphia, PA 19107, United States. firstname.lastname@example.org
Telephone: +1-215-9521493 Fax: +1-215-7551850
Received: April 6, 2017
Peer-review started: April 10, 2017
First decision: May 26, 2017
Revised: July 5, 2017
Accepted: October 30, 2017
Article in press: October 30, 2017
Published online: February 15, 2018