Alberto Ferrarese, Alberto Zanetto, Martina Gambato, Ilaria Bortoluzzi, Elena Nadal, Giacomo Germani, Marco Senzolo, Patrizia Burra, Francesco Paolo Russo, Gastroenterology/Multivisceral Transplant Unit, Department of Surgery, Oncology and Gastroenterology, Padua University Hospital, 35128 PD Padua, Italy
Author contributions: Ferrarese A and Zanetto A equally contributed to create this manuscript; Ferrarese A, Zanetto A and Gambato M wrote the manuscript; Bortoluzzi I, Nadal E, Germani G, Senzolo M and Burra P retrieved articles and analyzed data; Russo FP edited the manuscript.
Conflict-of-interest statement: The authors declare they have 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: Francesco Paolo Russo, MD, PhD, Assistant Professor, Gastroenterology/Multivisceral Transplant Unit, Department of Surgery, Oncology and Gastroenterology, Padua University Hospital, Via Giustiniani 2, 35128 PD Padua, Italy. email@example.com
Telephone: +39-49-8217024 Fax: +39-49-8760820
Received: May 7, 2015
Peer-review started: May 11, 2015
First decision: August 31, 2015
Revised: September 20, 2015
Accepted: November 19, 2015
Article in press: November 19, 2015
Published online: January 28, 2016