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Naoki Waku
Dept. of Welfare Eng., Graduate School, Iwate University.
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Shiinji Iizuka
Dept. of Welfare Eng., Graduate School, Iwate University.
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Takeshi Koyama
Dept. of Welfare Eng., Graduate School, Iwate University.
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Kenichi Kaneko
Dept. of Management Information, Fuji University.
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Yoshitake Ota
Ohtake·Root Kogyo co., ltd.
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Hiroaki Okawai
Dept. of Welfare Eng., Graduate School, Iwate University.