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Kuniko Miyawaki
Research Institute of Logopedics and Phoniatrics, Faculty of Medicine, University of Tokyo
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Hajime Hirose
Research Institute of Logopedics and Phoniatrics, Faculty of Medicine, University of Tokyo
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Tatsujiro Ushijima
Research Institute of Logopedics and Phoniatrics, Faculty of Medicine, University of Tokyo
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Masayuki Sawashima
Research Institute of Logopedics and Phoniatrics, Faculty of Medicine, University of Tokyo