Department of Gastroenterology, Institute of Surgery Research, Daping Hospital (JX, SL, PZ, QL, YW, YY, TW, LL, DC); Department of Epidemiology, College of Preventive Medicine (XM); and Center for Clinical Epidemiology and Evidence-Based Medicine, Third Military Medical University, Chongqing, People’s Republic of China (XM).
Correspondence: Dongfeng Chen, Department of Gastroenterology, Institute of Surgery Research, Daping Hospital, Third Military Medical University, Chongqing 400042, China (e-mail: email@example.com).
Abbreviations: ESD = endoscopic submucosal dissection, PPI = proton pump inhibitor, S1 = scarring stage 1.
Drs DC and XM contributed equally to the work.
The authors have no funding and conflicts of interest to disclose.
This is an open access article distributed under the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. http://creativecommons.org/licenses/by/4.0
Received May 25, 2014
Received in revised form July 4, 2014
Accepted July 4, 2014