Hyun Sun Cho*, Jae Myung Park*, Chul Hyun Lim*, Yu Kyung Cho*, In Seok Lee*, Sang Woo Kim*, Myung-Gyu Choi*, In-Sik Chung*, and Yun Kyung Chung†
*Division of Gastroenterology, Department of Internal Medicine, The Catholic University of Korea College of Medicine, and †Korean Occupational Safety & Health Agency, Seoul, Korea
Jae Myung Park
© 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.