Affiliation: | (1) First Department of Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan;(2) Department of Gastroenterology, Enshu General Hospital, Hamamatsu, Japan;(3) Department of Endoscopic & Photodynamic Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan;(4) First Department of Pathology, Hamamatsu University School of Medicine, Hamamatsu, Japan;(5) Center for Clinical Research, Hamamatsu University School of Medicine, 1-20-1, Handayama, Higashi-Ku, Hamamatsu 431-3192, Japan |