Eun Young Cho*, Chang Soo Choi*, Ji-Hyun Cho†, and Haak Cheoul Kim*
Departments of *Internal Medicine and †Laboratory Medicine, Wonkwang University Hospital, Wonkwang University College of Medicine, Iksan, Korea
Haak Cheoul 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.