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