| Atsushi Masamune |
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Division of Gastroenterology, Tohoku University Graduate School of Medicine |
| Takao Itoi |
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Department of Gastroenterology and Hepatology Tokyo Medical University Hospital |
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| Atsushi Irisawa |
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Department of Gastroenterology, Dokkyo Medical University School of Medicine |
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| Michiaki Unno |
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Department of Surgery, Tohoku University Graduate School of Medicine |
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| Takuji Okusaka |
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Department of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital |
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| Masayuki Kitano |
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Second Department of Internal Medicine, Wakayama Medical University |
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| Yuzo Kodama |
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Department of Gastroenterology , Kobe University Graduate School of Medicine |
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| Naohiro Sata |
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Department of Surgery, Division of Gastroenterological, General and Transplant Surgery, Jichi Medical University |
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| Sohei Satoi |
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Department of Surgery, Kansai Medical University, |
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| Masayuki Sho |
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Department of Surgery , Nara Medical University |
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| Masafumi Nakamura |
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Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University |
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| Ippei Matsumoto |
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Department of Surgery, Kindai University School of Medicine |
| Kazushige Uchida |
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Department of Gastroenterology and Hepatology, Kochi Medical School, Kochi University |
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| Tsutomu Fujii |
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Department of Surgery and Science, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama |
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