Affiliations

• ¹ Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan.
• ² Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan.
• ³ Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan.
• ⁴ Department of Endoscopy, Saku Central Hospital Advanced Care Center, Nagano, Japan.
• ⁵ Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan.
• ⁶ Department of Gastroenterology, Cancer Institute Hospital of the Japanese Foundation for Cancer Research, Tokyo, Japan.
• ⁷ Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan.
• ⁸ Department of Gastrointestinal Endoscopy, NTT Medical Center Tokyo, Tokyo, Japan.
• ⁹ Department of Medicine, Division of Gastroenterology, Jichi Medical University, Shimotsuke, Japan.
• ¹⁰ Department of Endoscopy, The Jikei University School of Medicine, Tokyo, Japan.
• ¹¹ Department of Gastroenterology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan.
• ¹² Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan.
• ¹³ Department of Gastroenterology, Okayama University Hospital, Okayama, Japan.
• ¹⁴ Department of Gastroenterology, Juntendo University School of Medicine, Tokyo, Japan.
• ¹⁵ Department of Gastroenterology, National Hospital Organization Kyoto Medical Center, Kyoto, Japan.
• ¹⁶ Division of Gastroenterology, Matsuyama Red Cross Hospital, Matsuyama, Japan.
• ¹⁷ Department of Gastroenterology, Saitama Medical University International Medical Center, Saitama, Japan.
• ¹⁸ Department of Surgery, Kyorin University School of Medicine, Tokyo, Japan.