Soon Woo Nam*, Hyun Joo Song†, Su Jung Back†, Tae Hun Kim†, Se Hyun Cho*, Joon-Yeol Han*, Kwon Yoo†, Young Suk Lee*, and Kyu Won Chung†
*Department of Internal Medicine, Medical College of the Catholic University of Korea; and †Department of Internal Medicine, Ewha Medical Center of Korea
Kyu Won Chung
© 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.