Sindhu Kaitha, Tauseef Ali, Department of Medicine, Section of Gastroenterology, Oklahoma University Health Sciences Center, Oklahoma City, OK 73104, United States
Muhammad Bashir, Department of Internal Medicine, Oklahoma University Health Sciences Center, Oklahoma City, OK 73104, United States
Author contributions: Kaitha S and Ali T conceived the idea; Kaitha S and Bashir M contributed to literature search and wrote the manuscript; Ali T supervised the project, performed critical review and proof reading of the manuscript.
Conflict-of-interest statement: Sindhu Kaitha, MD and Muhammad Bashir, MD have neither received fees for serving as a speaker nor have received research funding from any organization for this review article. Sindhu Kaitha, MD and Muhammad Bashir, MD are employees of University of Oklahoma Health Sciences Center and the institute has no conflict of interest with the article. Sindhu Kaitha, MD and Muhammad Bashir, MD do not own stocks and/or shares and/or patents in any organization that would have conflict of interest with this review article. Tauseef Ali, MD has received honorarium for serving as an advisory board member for Luitpold pharmaceuticals.
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: Tauseef Ali, MD, Assistant Professor, Department of Medicine, Section of Gastroenterology, Oklahoma University Health Sciences Center, Oklahoma, 601 NE 14th St, Oklahoma City, OK 73104, United States. email@example.com
Telephone: +1-405-4712653 Fax: +1-405-2715803
Received: January 29, 2015
Peer-review started: January 29, 2015
First decision: April 27, 2015
Revised: May 9, 2015
Accepted: June 15, 2015
Article in press: June 16, 2015
Published online: August 15, 2015