Dokkyo Medical University School of Medicine, Department of Medical Informatics

Hiroshima University Graduate School of Biomedical Sciences. Cancer Therapeutics

University of Tsukuba, Graduate School of Comprehensive Human Sciences, Division of Gastroenterology

Hamamatsu University School of Medicine, Cancer Center

Hamamatsu Medical Center, Department of Surgery

Kyoto University Graduate Scool of Medicine, Department of Gastroenterology and Hepatology

Shirakawa Clinic (Formerly Dokkyo Medical University School of Medicine, Department of Endoscopy)