^○Kongkam Pradermchai (Chulalongkorn University, Bangkok, Thailand)

^○Lee Jong Kyun (Division of Gastroenterology Samsung Medical Center Sungkyunkwan University School of Medicine, Soul, Korea)

^○Dhir Vinay (Baldota Institute of Digestive Science Global Hospital, Mumbai, India)

^○Ijima Masashi, Kurihara Eishin, Matsui Ayako (Department of Internal Medicine,Isesaki Municipal Hospital,Gunnma,Japan)

^○Tonozuka Ryosuke, Itoi Takao, Moriyasu Fuminori (Department of Gastroenterology and Hepatology, Tokyo Medical University, Tokyo, Japan)

^○Shimatani Masaaki, Takaoka Makoto, Okazaki Kazuichi (The Third Department of Internal Medicine Division of Gastroenterology and Hepatology Kansai Medical University, Japan)

^○Kamata Ken, Kitano Masayuki, Kudo Masatoshi (Department of gastroenterology and hepatology, Kinki univercity school of medicine, Japan)

^○Fukutake Nobuyasu¹, Ashida Reiko², Okawa Kazuyoshi¹ (1.Dept. of Hepatobiliary Pancreatic Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka, Japan, 2.Dept. of Cancer Survey and Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka, Japan)

^○Kuwatani Masaki, Kawakami Hiroshi, Sakamoto Naoya (Dept. of Gastroenterol. and Hepatol., Hokkaido Univ., Sapporo, Japan)

^○Hara Kazuo, Hijioka Susumu, Yamao Kenji (Depertment of Gastroenterology, Aichi Cancer Center Hospital, Japan)

^○Nakai Yousuke, Isayama Hiroyuki, Koike Kazuhiko (Departmentof Gastroenterology, Graduate School of Medicine, The University o f Tokyo, Tokyo, Japan)