| Institution: | 1. Division of Gastroenterology, Department of Internal Medicine;2. Department of Internal Medicine, Hanamakionsen Hospital affiliated with Iwate Medical University, Hanamaki, Japan;3. Department of Gastroenterology, Yamamotokumiai Hospital, Noshiro, Japan;4. Department of Gastroenterology, Iwate Prefectural Miyako Hospital, Miyako;5. Department of Gastroenterology, Morioka Red Cross Hospital, Morioka, Japan;6. Department of Gastroenterology, Iwate Prefectural Kuji Hospital, Kuji, Japan;7. Department of Gastroenterology, Hachinohe Red Cross Hospital, Hachinohe, Japan;8. Division of Molecular Diagnostic Pathology, Department of Pathology, School of Medicine, Iwate Medical University, Morioka |
