Institution: | Yoshitsugu Misumi, Toshio Fujisawa, Koichi Kagawa, Nobuyuki Matsuhashi, Department of Gastroenterology, NTT Medical Center Tokyo, Tokyo 141-8625, JapanHirotsugu Hashimoto, Hajime Horiuchi, Department of Pathology, NTT Medical Center Tokyo, Tokyo 141-8625, JapanTamaki Noie, Yasushi Harihara, Department of Surgery, NTT Medical Center Tokyo, Tokyo 141-8625, JapanHideyuki Chiba, Department of Gastroenterology, Omori Red Cross Hospital, Tokyo 141-8625, Japan |