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Tetsuo TOKUDA
Tokyo Metropolitan Institute of Gerontology
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Hitoshi MARUYAMA
Tokyo Metropolitan Itabashi Nursing Home
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Sumikazu AKIYAMA
Tokyo Metropolitan Itabashi Nursing Home
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Akihiro NAKAYAMA
Tokyo Metropolitan Itabashi Nursing Home
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Yoshimichi IKEYA
Tokyo Metropolitan Itabashi Nursing Home
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Tsutomu TAKASHIMA
Tokyo Metropolitan Yoikuin Hospital