[1] Oita University,Department of Molecular Pathology, Faculty of Medicine
[2] Oita University,Department of Gastroenterology, Faculty of Medicine
[3] Oita University,Department of Human Environmental and Social Medicine, Faculty of Medicine
[4] 108 Hospital,Department of Pathology
[5] 108 Hospital,Department of Gastroenterology
[6] 108 Hospital,Department of Molecular Biology
[7] Cho Ray Hospital,Department of Endoscopy
[8] Cho Ray Hospital,Department of Training and Research
[9] Tama-Nagayama Hospital,Department of Gastrointestinal Endoscopy
[10] Nippon Medical School,Department of Environmental and Preventive Medicine, Faculty of Medicine
[11] Oita University,undefined