Affiliation: | (1) Department of Internal Medicine, Konyang University College of Medicine, Daejeon, Korea;(2) Department of Pathology, Konyang University College of Medicine, Daejeon, Korea;(3) Department of Radiology, Konyang University College of Medicine, Daejeon, Korea;(4) Department of Surgery, Konyang University College of Medicine, Daejeon, Korea;(5) Department of Internal Medicine, Division of Gastroenterology, Konyang University Hospital, 685 Gasuwondong, Seogu, Daejeon, 302-718, Republic of Korea |