Hee Jin Jang*, Joo Young Jang†, and Kyung Mo Kim*
Department of Pediatrics, *Asan Medical Center, University of Ulsan College of Medicine, Seoul, †Ajou Medical Center, Ajou University College of Medicine, Suwon, Korea
Kyung Mo 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.