Maryam Moini, Gastroenterohepatology Research Center, Shiraz University of Medical Sciences, Nemazee Hospital, Shiraz 71935-1311, Iran
Michael L Schilsky, Departments of Medicine (Digestive Diseases) and Surgery (Transplantation and Immunology), Yale University Medical Center, New Haven, CT 06520, United States
Eric M Tichy, Department of Pharmacy, Yale-New Haven Hospital, New Haven, CT 06510, United States
Author contributions: Moini M designed the work, collected data and wrote the paper; Schilsky ML and Tichy EM designed the work, collected data and revised the paper.
Conflict-of-interest: The authors declare that there are no conflicts of interest.
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: Maryam Moini, MD, Associate Professor of Medicine, Gastroenterohepatology Research Center, Shiraz University of Medical Sciences, Nemazee Hospital, Zand Street, Shiraz 71935-1311, Iran. email@example.com
Telephone: +98-71-36281442 Fax: +98-71-36281442
Received: October 21, 2014
Peer-review started: October 21, 2014
First decision: November 27, 2014
Revised: December 23, 2014
Accepted: February 10, 2015
Article in press: February 12, 2015
Published online: June 8, 2015