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*Yoshiyuki Inagaki
Shikoku Research Center, Forestry and Forest Products Research Institute
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Shigeo Kuramoto
Hokkaido Research Center, Forestry and Forest Products Research Institute
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Atsushi Sakai
Japanese International Research Center of Agricultural Sciences
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Asami Nakanishi
Kyoto University
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Hidehisa Fukata
Koch Prefectural Forest Research Center