Ying Qing, Min Wang, Ying-Min Lin, Dong Wu, Jing-Yu Zhu, Lang Gao, Yan-Yan Liu, Teng-Fei Yin
Ying Qing, Min Wang, Lang Gao, Yan-Yan Liu, Teng-Fei Yin, Department of Geriatric Gastroenterology, Qi-Lu Hospital of Shandong University, Jinan 250012, Shandong Province, China
Min Wang, Ying-Min Lin, Department of General Medicine, Qi-Lu Hospital of Shandong University, Jinan 250012, Shandong Province, China
Dong Wu, Department of General Surgery, Qi-Lu Hospital of Shandong University, Jinan 250012, Shandong Province, China
Jing-Yu Zhu, Department of Gastroenterology, Jinan Central Hospital, Jinan 250013, Shandong Province, China
Author contributions: Qing Y designed and performed the research and wrote the paper; Wang M designed the research and supervised the report; Lin YM and Wu D contributed to the data collection and analysis; Zhu JY, Gao L, Liu YY and Yin TF provided clinical advice and contributed to the analysis.
Supported by the National Natural Science Foundation of China, No. 81372681; and Key Research Development Program of Shandong Province, No. 2015GGH318014.
Institutional review board statement: This study was reviewed and approved by the Research and Ethics Committee at Qi-Lu Hospital of Shandong University, China.
Informed consent statement: Patients were not required to give informed consent to the study because the analysis used anonymous clinical data that were obtained after each patient agreed to treatment by written consent.
Conflict-of-interest statement: We have no financial relationships to disclose.
Data sharing statement: No additional data are available.
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: Min Wang, MD, PhD, Associate Professor, Department of Geriatric Gastroenterology, Qi-Lu Hospital of Shandong University, 107 Wenhuaxi Road, Jinan 250012, Shandong Province, China. doctorminmin@163.com
Telephone: +86-531-82166601 Fax: +86-531-82166601
Received: December 25, 2015
Peer-review started: December 25, 2015
First decision: January 28, 2016
Revised: February 11, 2016
Accepted: March 1, 2016
Article in press: March 2, 2016
Published online: May 14, 2016
