Affiliation: | 1.Division of Gastroenterology, Department of Medicine, Kurume University School of Medicine, Japan; 2.Department of Pediatrics and Child Health, Kurume University School of Medicine, Japan; 3.Department of Pathology, Kurume University School of Medicine, Japan; 4.Kumamoto Radiosurgery Clinic, Japan; 5.Iwamoto Internal Medicine Clinic, Japan |