Tae Young Park, Hyoung-Chul Oh, and Jae Hyuk Do
Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Korea
Jae Hyuk Do
© 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.