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*Kaori Sato
Japan Wildlife Research Center
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Yasumasa Hirata
Forestry and Forest Products Research Institute
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Atsushi Sakai
Forestry and Forest Products Research Institute
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Shigeo Kuramoto
Forestry and Forest Products Research Institute
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Shigeho Sato
Forestry and Forest Products Research Institute
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San'ei Ichikawa
Japan Wildlife Research Center