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Yoshihiro Kakeji
Database Committee, The Japanese Society of Gastroenterological Surgery
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Harushi Udagawa
Database Committee, The Japanese Society of Gastroenterological Surgery
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Michiaki Unno
Database Committee, The Japanese Society of Gastroenterological Surgery
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Itaru Endo
Database Committee, The Japanese Society of Gastroenterological Surgery
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Chikara Kunisaki
Database Committee, The Japanese Society of Gastroenterological Surgery
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Akinobu Taketomi
Database Committee, The Japanese Society of Gastroenterological Surgery
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Akira Tangoku
Database Committee, The Japanese Society of Gastroenterological Surgery
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Tadahiko Masaki
Database Committee, The Japanese Society of Gastroenterological Surgery
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Shigeru Maruhashi
Database Committee, The Japanese Society of Gastroenterological Surgery
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Kazuhiro Yoshida
Database Committee, The Japanese Society of Gastroenterological Surgery
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Toshiaki Watanabe
Database Committee, The Japanese Society of Gastroenterological Surgery
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Mitsukazu Gotoh
The Japanese Society of Gastroenterological Surgery
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Hiroyuki Konno
The Japanese Society of Gastroenterological Surgery
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Arata Takahashi
Department of Healthcare Quality Assessment Graduate School of Medicine, The University of Tokyo
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Hiroaki Miyata
Department of Healthcare Quality Assessment Graduate School of Medicine, The University of Tokyo Department of Health Policy and Management, School of Medicine, Keio University
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Yasuyuki Seto
Department of Healthcare Quality Assessment Graduate School of Medicine, The University of Tokyo
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National Clinical Database