1)Department of Internal Medicine, Asahi University Murakami Memorial Hospital, Gifu
2)Yamashita Hospital, Ichinomiya
3)Second Department of Internal Medicine, Fujita Health University, Nagoya
4) Kitazato University Higashi Hospital, Sagamihara
5) Department of Optical Medical Diagnosia and Treatment, Shinshu University, Matsumoto
6)Third Department of Internal Medicine, Tohoku University, Sendai
7)Department of Gastroenterology, Showa University Toyosu Hospital, Tokyo
8)Department of Surgery, Kitazato University Higashi Hospital, Sagamihara
9)Department of Gastroenterology, Saitama Prefectural Cancer Center, Saitama
10)Second Department of Surgery, Kumamoto University, Kumamoto
11)Office of Prospective Study of Endoscopic Treatment of Early Gastric Cancer, Department of Internal Medicine, Asahi University Murakami Memorial Hospital, Gifu and
12)Japan Gastroenterological Endoscopy Society, Tokyo, Japan.
