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Tohru Yasuzawa
Tokyo Research Laboratory, Kyowa Hakko Kogyo Co., Ltd.
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Kunikatsu Shirahata
Tokyo Research Laboratory, Kyowa Hakko Kogyo Co., Ltd.
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Hiroshi Sano
Tokyo Research Laboratory, Kyowa Hakko Kogyo Co., Ltd.
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Kenichi Muroi
Pharmaceutical Research Laboratory, Kyowa Hakko Kogyo Co., Ltd.