1. Gastroenterology Medicine Center, Shonan Kamakura General Hospital, Japan
2. Pulmonology, Shonan Kamakura General Hospital, Japan
3. General Internal Medicine, Shonan Kamakura General Hospital, Japan
4. Intervention Radiology (IVR) and Radiology, Shonan Kamakura General Hospital, Japan
5. Diagnostic Pathology, Shonan Kamakura General Hospital, Japan