1. Department of Gastroenterology, Kobe Asahi Hospital
2. Department of Radiology, Kobe Asahi Hospital
3. Department of Surgery, Kobe Asahi Hospital
4. Department of Human Pathology, Kanazawa University Graduate School of Medicine
5. Department of Pathology, Kobe University Graduate School of Medicine
6. Second Department of Internal Medicine, Osaka Medical and Pharmaceutical University