Sapporo Medical University, Sapporo Medical University, Kitasato University - Center for Advanced IBD Research and Treatment, Iwate Medical University - Division of Gastroenterology, Saga University, Toyama University Hospital, Yokohama City University, Fukuoka University Chikushi Hospital, National Center for Child Health and Development, Gifu University, Juntendo University, Kyushu University, Hirosaki University, Asahikawa Medical University, Kitasato University, Jikei University, National Defense Medical College, Niigata University, University of Tokyo, University of Tokyo, Kyorin University School of Medicine - Department of Gastroenterology and Hepatology and Independent

Kitasato University - Center for Advanced IBD Research and Treatment, Sapporo Kosei General Hospital - IBD Center, Hyogo College of Medicine - Department of Inflammatory Bowel Disease, Yokkaichi Hazu Medical Center - IBD Center, Tokyo Medical and Dental University - Department of Gastroenterology and Hepatology, Hiroshima University Hospital - Department of Endoscopy and Medicine, Kyorin University School of Medicine - Department of Gastroenterology and Hepatology, Fukuoka University Chikushi Hospital - Department of Gastroenterology, Sapporo Medical University - Department of Gastroenterology, Hyogo College of Medicine - Center for Inflammatory Bowel Disease, Iwate Medical University - Division of Gastroenterology, Hirosaki Municipal Hospital - Department of Pathology, Yokohama City University - Department of Data Science, Toho University Sakura Medical Center, Tokyo Medical and Dental University - Department of Gastroenterology and Hepatology, Kitasato University - Center for Advanced IBD Research and Treatment and Independent

Government of the United States of America - Lymphocyte Cell Biology Section, Kyoto University, Kyorin University School of Medicine - Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University - Department of Gastroenterology and Hepatology, Kitasato University - Center for Advanced IBD Research and Treatment, Tokyo Women's Medical University, Hyogo Medical University, Hyogo Medical University, Jikei University, Sapporo Kosei General Hospital - IBD Center, Yokkaichi Hazu Medical Center, Kyorin University, Kyorin University, Johns Hopkins University and Kitasato University - Center for Advanced IBD Research and Treatment