Chan Ran You*, Jeong Won Jang*, Jae Ki Choi*, Si Hyun Bae*, Seung Kew Yoon*, Chul Seung Kay†, and Jong Young Choi*
Departments of *Internal Medicine, †Radiation Oncology, Incheon St. Mary's Hospital, The Catholic University of Korea College of Medicine, Incheon, Korea
Jeong Won Jang
© 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.