Ju Young Jung, Sung Koo Lee, Hyoung-Chul Oh, Tae-Yoon Lee, Seung Hyun Kwon, Sang Soo Lee, Dong Wan Seo, and Myung-Hwan Kim
Department of Internal Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
Sung Koo Lee
© The Korean Society of Gastroenterology, the Korean Society of Gastrointestinal Endoscopy, the Korean Society of Neurogastroenterology and Motility, Korean College of Helicobacter and Upper Gastrointestinal Research, Korean Association the Study of Intestinal Diseases, the Korean Association for the Study of the Liver, Korean Pancreatobiliary Association, and Korean Society of Gastrointestinal Cancer. All rights reserved.