1. Hamana Clinic; Shizuoka Japan
2. Internal Medicine I; Hamamatsu University School of Medicine; Shizuoka Japan
3. Division of Digestive Endoscopy; Shiga University of Medical Science Hospital; Otsu Japan
4. Blood Purification Unit; Hamamatsu University School of Medicine; Shizuoka Japan
5. Department of Internal Medicine; Teikyo University School of Medicine; Tokyo Japan
6. Center for Clinical Research; Hamamatsu University School of Medicine; Shizuoka Japan