Cancer Institute Hospital of Japanese Foundation for Cancer Research, Koto, Tokyo, Japan
Dokkyo Medical University, Tochigi, Japan
The Jikei University School of Medicine, Tokyo, Japan
Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
Shizuoka Cancer Center, Shizuoka, Japan
Department Of Gastroenterology and Endoscopy, National Cancer Center Hospital East, Kashiwa, Japan
National Cancer Center Hospital, Tokyo, Japan
Osaka International Cancer Institute, Osaka, Japan
Saku Central Hospital Advanced Care Center, Nagano, Japan
Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
Osaka City General Hospital Dept. of Gastroenterology, Osaka, Japan
Chiba Cancer Center, Chiba, Japan
Aichi Cancer Center Hospital, Aichi, Japan
Ishikawa Prefectural Central Hosp., Ishikawa, Japan
Toranomon Hospital, Tokyo, Japan
Kyoto Prefectural University of Medicine, Kyoto, Japan
Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
Kanagawa Cancer Center, Yokohama, Japan|||Yokohama Minami Kyosai Hospital, Yokohama, Japan
Kyoto University, Kyoto, Japan
Kansai Rosai Hospital, Osaka, Japan
Yokohama Municipal Citizen's Hospital, Yokohama, Japan
Hiroshima University, Hiroshima, Japan
Ibaraki Prefectural Central Hospital, Ibaraki, Japan
Kitasato University School of Medicine, Sagamihara, Japan
Kochi Health Sciences Center, Kochi, Japan
Hyogo Cancer Center, Hyogo, Japan
Okayama University Graduate School of Medicine Gastroenterology and Hepatology, Okayama, Japan
Fukushima Medical University Hospital, Fukushima, Japan
Shizuoka General Hospital, Shizuoka, Japan
Tochigi Cancer Center, Tochigi, Japan
Tohoku University, Graduate School of Medicine, Dept. of Gastroenterology, Sendai, Japan, Sendai, Japan
Showa University School of Medicine, Tokyo, Japan
National Hospital Organization Shikoku Cancer Center, Ehime, Japan
Niigata Cancer Center Hospital, Niigata, Japan
Tokyo Metropolitan Bokutoh Hospital, Tokyo, Japan
Hiroshima City North Medical Center Asa Citizens Hospital, Hiroshima, Japan
Yamagata Prefectural Central Hospital, Yamagata, Japan
Hyogo Medical University School of Medicine, Hyogo, Japan
Shimane Prefectural Central Hospital, Izumo, Japan
Asahi General Hospital, Asahi, Japan
Niigata university Medical and Dental Hospital, Niigata, Japan
Gunma University Graduate School of Medicine, Maebashi, Japan
Keio University School of Medicine, Tokyo, Japan
NTT Medical Center Gastroenterology, Shinagawa-ku, Japan
Toyama Prefectural Central Hospital, Toyama, Japan
Japanese Red Cross Wakayama Medical Center, Wakayama, Japan
Osaka Metropolitan University Graduate School of Medicine, Osaka, Japan
Osaka Medical Pharmaceutical University Hospital, Osaka, Japan
Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan|||Cancer Institute Hospital, Tokyo, Japan