First Department of Medicine;
Hamamatsu University of School of Medicine;
Hamamatsu 431-3192;
Japan;
Department of Laboratory Medicine;
Hamamatsu University of School of Medicine;
Hamamatsu 431-3192;
Japan;
Department of Endoscopic and Photodynamic Medicine;
Hamamatsu University of School of Medicine;
Hamamatsu 431-3192;
Japan;
Center for Clinical Research;
Hamamatsu University of School of Medicine;
Hamamatsu 43131;
Japan;