Affiliation: | (1) Department of Endoscopic and Photodynamic Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan;(2) Department of Gastroenterology, Fujueda Munincipal General Hospital, Japan;(3) Japan Immunoresearch Laboratories, Japan;(4) Department of Gastroenterology, Seirei General Hospital, Japan;(5) Gastroenterology Centre, Hamamatsu South Hospital, Hamamatsu, Japan |