Sang Hun Jung, Hee Cheol Kim, Chang Sik Yu, and Jin Cheon Kim
Department of Surgery, Colorectal Clinic, University of Ulsan College of Medicine, Seoul, Korea
Hee Cheol Kim
© 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.