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Naoyuki Yoshino
Department of Surgery Ⅱ, Nippon Medical School, Tokyo, Japan
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Toshihiro Tenjin
Department of Surgery Ⅱ, Nippon Medical School, Tokyo, Japan
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Kiyoshi Koizumi
Department of Surgery Ⅱ, Nippon Medical School, Tokyo, Japan
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Shigeo Tanaka
Department of Surgery Ⅱ, Nippon Medical School, Tokyo, Japan