Fatemeh Hadizadeh, Department of Biosciences and Nutrition, Karolinska Institute, 17177 Stockholm, Sweden
Elham Faghihimani, Peyman Adibi, Gastroenterology Research Center, Isfahan University of Medical Sciences, Isfahan 81746 73461, Iran
Author contributions: Adibi P had the original idea; Hadizadeh F and Faghihimani E performed the literature review and drafted the manuscript; Adibi P performed critical revision of the manuscript.
Conflict-of-interest statement: The authors declare no conflict 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: Elham Faghihimani, MD, Gastroenterology Research Center, Isfahan University of Medical Sciences, Hezar Jarib Blvd., Isfahan 81746 73461, Iran. firstname.lastname@example.org
Telephone: +98-31-38023060 Fax: +98-31-36687898
Received: June 27, 2016
Peer-review started: June 29, 2016
First decision: August 5, 2016
Revised: January 10, 2017
Accepted: February 8, 2017
Article in press: February 13, 2017
Published online: May 15, 2017