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

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

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

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

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

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

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

^○Nobuyasu Fukutake¹, Reiko Ashida², Kazuyoshi Okawa¹ (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)

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

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

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