Letters To The Editor
Copyright ©The Author(s) 2017. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Gastroenterol. Oct 21, 2017; 23(39): 7198-7200
Published online Oct 21, 2017. doi: 10.3748/wjg.v23.i39.7198
Duplicate publication bias weakens the validity of meta-analysis of immunosuppression after transplantation
Cameron J Fairfield, Ewen M Harrison, Stephen J Wigmore
Cameron J Fairfield, Ewen M Harrison, Stephen J Wigmore, Department of Clinical Surgery, University of Edinburgh, Royal Infirmary of Edinburgh, Edinburgh EH16 4SA, United Kingdom
Author contributions: Fairfield CJ wrote this letter; Harrison EM and Wigmore SJ revised the letter.
Conflict-of-interest statement: The authors have no conflict of interest to report.
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: Cameron J Fairfield, MBChB, Department of Clinical Surgery, University of Edinburgh, Royal Infirmary of Edinburgh, 51 Little France Drive, Edinburgh EH16 4SA, United Kingdom. cameron.fairfield@nhs.net
Telephone: +44-131-2423614
Received: August 28, 2017
Peer-review started: August 29, 2017
First decision: September 13, 2017
Revised: September 15, 2017
Accepted: September 26, 2017
Article in press: September 26, 2017
Published online: October 21, 2017
Core Tip

Core tip: The purpose of this letter to the editor is to comment on the potential inclusion of duplicate publications within the meta-analysis titled: “Efficacy of immunosuppression monotherapy after liver transplantation: A meta-analysis”.