1. Department of Gastroenterology; Kobe Asahi Hospital; Kobe Japan
2. Department of Radiology; Osaka City University Medical School; Osaka Japan
3. Department of Human Pathology; Kanazawa University Graduate School of Medicine; Kanazawa Japan
4. Kurume University Hospital Department of Clinical Laboratory Medicine; Fukuoka Japan
5. Kumabe Hospital; Kumamoto Japan
6. Division of Molecular Medicine & Medical Genetics, Department of Pathology; Kobe University Graduate School of Medicine; Kobe Japan