Guido Alberto Massimo Tiberio, Surgical Clinic, Department of Clinical and Experimental Sciences, University of Brescia, 25100 Brescia, Italy
Franco Roviello, Surgical Oncology, Department of Human Pathology and Oncology, University of Siena, 53010 Siena, Italy
Annibale Donini, Division of General Surgery, Department of Surgical Sciences, Radiology and Dentistry, University of Perugia, 06010 Perugia, Italy
Giovanni de Manzoni, General Surgery, University of Verona, 37010 Verona, Italy
Author contributions: Tiberio GAM, Roviello F, Donini A and de Manzoni G contributed equally to the conception, development of cultural contents and revision of this work; and Tiberio GAM wrote the text.
Conflict-of-interest statement: The authors declare 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: Guido Alberto Massimo Tiberio, Professor of Surgery, Surgical Clinic, Department of Clinical and Experimental Sciences, University of Brescia, 1, Piazzale Spedali Civili, 25100 Brescia, Italy. email@example.com
Telephone: +39-335-8159298 Fax: +39-30-3397476
Received: May 21, 2015
Peer-review started: May 23, 2015
First decision: June 2, 2015
Revised: July 9, 2015
Accepted: September 15, 2015
Article in press: September 15, 2015
Published online: November 7, 2015