Affiliations

• ¹ Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
• ² Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan; Department of Hepato-Biliary-Pancreatic Medicine, The Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan. Electronic address: hamada-tky@umin.ac.jp.
• ³ Department of Statistics and Operations Research, Tel Aviv University, Tel Aviv, Israel.
• ⁴ Department of Radiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
• ⁵ Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan; Department of Internal Medicine, Institute of Gastroenterology, Tokyo Women's Medical University, Tokyo, Japan.
• ⁶ School of Medicine, University of Auckland, Auckland, New Zealand.
• ⁷ Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan; Department of Endoscopy and Endoscopic Surgery, The University of Tokyo Hospital, Tokyo, Japan.
• ⁸ Department of Pathology, Tokai University School of Medicine, Kanagawa, Japan; Department of Pathology, Keio University School of Medicine, Tokyo, Japan.
• ⁹ Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan; Department of Clinical Oncology, The University of Tokyo Hospital, Tokyo, Japan.
• ¹⁰ Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
• ¹¹ Department of Pathology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.