Affiliations

• ¹ Department of Gastroenterology and Metabolism, Hiroshima University Hospital, Hiroshima, Japan.
• ² Department of Gastroenterology and Hepatology, Gunma University Graduate School of Medicine, Maebashi, Japan.
• ³ Department of Intestinal Inflammation Research, Hyogo College of Medicine, Nishinomiya, Japan.
• ⁴ Department of Surgical Oncology, The University of Tokyo, Tokyo, Japan.
• ⁵ Division of Gastroenterology, Department of Internal Medicine, School of Medicine, Iwate Medical University, Morioka, Japan.
• ⁶ Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan.
• ⁷ Digestive Disease Center, Showa University Northern Yokohama Hospital, Yokohama, Japan.
• ⁸ Center for Diagnostic and Therapeutic Endoscopy, School of Medicine, Keio University, Tokyo, Japan.
• ⁹ Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
• ¹⁰ Department of Pathology, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan.