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*Hideaki Goto
Forestry and Forest Products Research Institute, Kyushu Research Center
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Kazuhiko Kitaoka
Oita Prefectural Agricalture, Forestry and Fisheries Research Center, Forestry Research Division
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Yoshihiro Takahata
Forestry and Forest Products Research Institute, Kyushu Research Center
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Hayato Masuya
Forestry and Forest Products Research Institute
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Rikiya Endo
Forestry and Forest Products Research Institute