1. Center for Clinical Research; Hamamatsu University School of Medicine; Hamamatsu Shizuoka Japan
2. Department of Diagnostic Pathology; Hamamatsu University School of Medicine; Hamamatsu Shizuoka Japan
3. First Department of Medicine; Hamamatsu University School of Medicine; Hamamatsu Shizuoka Japan
4. Department of Endoscopic and Photodynamic Medicine; Hamamatsu University School of Medicine; Hamamatsu Shizuoka Japan
5. Department of Laboratory Medicine; Hamamatsu University School of Medicine; Hamamatsu Shizuoka Japan