1. Emergency and Critical Care Center, Sapporo City General Hospital
2. Diagnostic Center for Sonography, Hokkaido University Hospital
3. Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital
4. Department of Diagnostic and Interventional Radiology, Hokkaido University Hospital
5. Division of Medical Imaging and Technology Department of Radiology, Hokkaido University Hospital
6. Department of Surgical Pathology, Hokkaido University Hospital
7. Department of Gastroenterological Surgery I, Hokkaido University Hospital