Hayashi Clinic - Department of Gastroenterology and Internal Medicine, Kindai University - Department of Gastroenterology and Hepatology, Kindai University - Department of Radiology, University of Tokyo - Department of Gastroenterology, Fukui Prefectural Hospital - Department of Gastroenterology, Kansai Rosai Hospital - Department of Gastroenterology and Hepatology, Osaka City University - Department of Gastroenterology, Ishikawa Prefectural Central Hospital - Department of Gastroenterology, Tonan Hospital - Department of Gastroenterology, Japanese Foundation for Cancer Research - Department of Gastroenterology, Suita Municipal Hospital - Department of Gastroenterology and Hepatology, Osaka Rosai Hospital - Department of Gastroenterology and Hepatology, Osaka General Medical Center - Department of Gastroenterology and Hepatology, Fukushima Medical University - Department of Gastroenterology, Hyogo Cancer Center - Department of Gastroenterological Oncology, National Hospital Organization Shikoku Cancer Center, Tane General Hospital - Department of Gastroenterology, Japanese Red Cross Medical Center, National Hospital Organization Kure Medical Center - Department of Gastroenterology, Nagoya City University - Department of Gastroenterology and Metabolism, Toho University - Division of Gastroenterology and Hepatology, Osaka International Cancer Institute - Department of Hepatobiliary and Pancreatic Oncology, Gifu University - First Department of Internal Medicine, Toyonaka Municipal Hospital - Department of Gastroenterology, Juntendo University - Department of Gastroenterology and Toyonaka Municipal Hospital - Department of Gastroenterology

St. Luke's International University - Department of Gastroenterology, Tokyo Shinagawa Hospital - Department of Gastroenterology, Tokyo Medical University - Department of Gastroenterological Endoscopy, Tokyo Metropolitan Bokutoh Hospital - Department of Gastroenterology, The Tazuke Kofukai Medical Research Institute - Kitano Hospital, Department of Gastroenterology and Hepatology, University of Tokyo Graduate School of Medicine - Department of Gastroenterology, Nippon Medical School - Department of Gastroenterology, Hiroshima City Asa Citizens Hospital - Department of Gastroenterology, Saga Medical Center Koseikan - Department of Gastroenterology, St. Marianna University School of Medicine - Division of Gastroenterology and Hepatology, Nara City Hospital - Department of Gastroenterology and Gastroenterology, Nagoya University Hospital - Department of Endoscopy, National Hospital Organization Kyoto Medical Centre - Department of Gastroenterology, Komagome Hospital, Tokyo Metropolitan Cancer and Infectious Diseases Center - Department of Gastroenterology, Oita University - Department of Gastroenterology, Fukuoka University Chikushi Hospital - Department of Gastroenterology, Nippon Medical School - Chiba Hokusoh Hospital, Department of Gastroenterology, Japanese Red Cross Shizuoka Hospital - Department of Gastroenterology, Kawasaki Medical School General Medical Center - Division of Endoscopy and Ultrasonography, Niigata University Graduate School of Medical and Dental Sciences - Division of Gastroenterology, University of Miyazaki Hospital - Department of Gastroenterology and Hepatology, University of Tsukuba - Department of Gastroenterology, Toranomon Hospital - Department of Gastroenterology, Fujita Health University Hospital - Department of Emergency Medicine, Naha City Hospital - Department of Gastroenterology, Tokyo Saiseikai Central Hospital - Department of Internal Medicine, Shuto General Hospital - Department of Gastroenterology, Hirosaki University Hospital - Division of Endoscopy, Kumamoto University - Department of Gastroenterology, National Hospital Organization Medical Center - Department of Gastroenterology and Hepatology, Kyushu University - Department of Medicine and Clinical Science, Fukushima Medical University - Department of Gastroenterology, Iwate Medical University - Division of Gastroenterology, National Defense Medical College - Department of Internal Medicine, Kawasaki Medical School - Division of Endoscopy and Ultrasonography, Suita Municipal Hospital - Department of Gastroenterology and Hepatology, University of the Ryukyus Hospital - Department of Endoscopy, National Hospital Organization Kyushu Medical Center - epartment of Gastroenterology, Fukuoka University Hospital - Department of Gastroenterological Endoscopy, Kitasato University - Department of Gastroenterology, Akita University - Department of Gastroenterology and Neurology, Kagoshima University Graduate School of Medical and Dental Sciences - Digestive and Lifestyle Diseases, Tokyo Medical University - Department of Gastroenterological Endoscopy, National Center for Global Health and Medicine - Department of Gastroenterology and Hepatology, St. Luke's International University - Department of Gastroenterology, St. Luke's International University - Department of Gastroenterology, St. Luke's International University - Department of Gastroenterology, St. Luke's International University - Department of Gastroenterology, St. Luke's International University - Department of Gastroenterology, St. Luke's International Hospital - Department of Gastroenterology and Nippon Medical School - Department of Gastroenterology

Osaka International Cancer Institute - Department of Gastrointestinal Oncology, Kobe City Medical Center General Hospital, Kyoto Second Red Cross Hospital - Department of Gastroenterology, Shizuoka Cancer Center, Kurashiki Central Hospital, Osaka Metropolitan University, Osaka International Cancer Institute, Ishikawa Prefectural Central Hospital, Hirosaki General Medical Center, Kansai Rosai Hospital, Tokyo Metropolitan Bokutoh Hospital, Japanese Red Cross Society, Aomori Prefectural Central Hospital, Sano Hospital, Tokushima University, Okayama University, Suita Municipal Hospital - Department of Gastroenterology and Hepatology, Sapporo Medical University, Keio University, Japan Institute for Health Security, University of Miyazaki, Tochigi Cancer Centre, Tonan Hospital, Fukushima Medical University, Nara City Hospital, Naha City Hospital, Sapporo City General Hospital, National Hospital Organization (NHO) - Hakodate National Hospital, Yokohama City University, Toyonaka Municipal Hospital, Osaka Rosai Hospital, National Hospital Organization Osaka National Hospital, Sapporo Medical University, Junpukai Health Maintenance Center Kurashiki, Kyoto Prefectural University of Medicine - Department of Molecular-Targeting Prevention, University of Tokyo and Gunma University