Enis Dikicier, Orhan Yagmurkaya, Mustafa Yener Uzunoglu, Department of General Surgery, Research and Educational Hospital, Sakarya University, 54100 Sakarya, Turkey
Fatih Altintoprak, Orhan Veli Ozkan, Department of General Surgery, Faculty of Medicine, Sakarya University, 54100 Sakarya, Turkey
Author contributions: Dikicier E, Altintoprak F and Ozkan OV designed an organization to write a review article; Ozkan OV, Yagmurkaya O and Uzunoglu MY reviewed and summarized the literature data, wrote the paper; finally prepared the manuscript for submission.
Conflict-of-interest statement: The authors declare no conflict of interest. The authors certify that they have NO financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest), or non-financial interest in the subject matter or materials discussed in this manuscript.
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: Orhan Veli Ozkan, Associate Professor of General Surgery, Department of General Surgery, Faculty of Medicine, Sakarya University, Adnan Menderes Caddesi, Saglik Sokak No:193, 54100 Sakarya, Turkey. email@example.com
Telephone: +90-532-3417440 Fax: +90-264-2552105
Received: February 11, 2015
Peer-review started: February 12, 2015
First decision: April 27, 2015
Revised: May 2, 2015
Accepted: May 27, 2015
Article in press: May 28, 2015
Published online: August 16, 2015