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Makoto Ohuchi
Graduate School of Information Sciences, Tohoku University Department of Information Science for Human Welfare, Tohoku Fukushi University
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Yukio Iwaya
Graduate School of Information Sciences, Tohoku University Research Institute of Electrical Communication, Tohoku University
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Yôiti Suzuki
Graduate School of Information Sciences, Tohoku University Research Institute of Electrical Communication, Tohoku University
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Tetsuya Munekata
National Institute of Special Education