This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal). This article has been retracted at the request of the Editor-in-Chief. The authors have notified the Editor of a serious error in their initial assumptions and, therefore, the overall conclusions presented in this article. The causative mutation is essential for the analysis and, therefore, it is difficult to correct part of the article. Had the Editor been aware of the issues flagged by the authors, the article would not have been accepted for publication. The authors have requested that the article is retracted because their data and conclusions are incorrect, and the Editor has agreed to retract the article.
Keywords: Generalized verrucosis; Human papilloma virus; Inflammatory bowel disease; TAOK2; p38-MAPK pathway.
Copyright © 2017 Japanese Society for Investigative Dermatology. Published by Elsevier B.V. All rights reserved.