Chinese research into severe ulcerative colitis has increased in quantity and complexity
Cheng-Xin Luo, Zhong-Hui Wen, Yu Zhen, Zhu-Jun Wang, Jing-Xi Mu, Min Zhu, Qin Ouyang, Hu Zhang, Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China
Author contributions: Luo CX and Wen ZH contributed equally to this article; Luo CX designed the research, performed the databases search, and drafted the article; Wen ZH designed the research, repeated the databases search, and made critical revisions to the manuscript; Zhen Y, Wang ZJ, Mu JX and Zhu M performed literature review, recorded and checked relevant information, and did statistical analyses; Ouyang Q and Zhang H supervised the study and edited the Manuscript; All of the authors approved the version of the article to be published.
Supported by Doctoral Fund of Ministry of Education of China, No. 20130181120041.
Conflict-of-interest statement: There is no conflict of interest.
PRISMA 2009 Checklist statement: The authors have read the PRISMA 2009 Checklist, and the manuscript was prepared and revised according to the PRISMA 2009 Checklist.
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: Hu Zhang, MD, PhD, Associate Professor, Department of Gastroenterology, West China Hospital, Sichuan University, No. 37, Guo Xue Alley, Chengdu 610041, Sichuan Province, China. email@example.com
Telephone: +86-28-85423387 Fax: +86-28-85423387
Received: November 23, 2017
Peer-review started: November 24, 2017
First decision: December 28, 2017
Revised: February 6, 2018
Accepted: February 28, 2018
Article in press: February 28, 2018
Published online: March 16, 2018