1. Faculty of Agriculture Yamagata University Tsuruoka Yamagata Japan
2. Graduate School of Life and Environmental Sciences, University of Tsukuba Tsukuba Ibaraki Japan
3. College of Bioresource Sciences, Nihon University Fujisawa Kanagawa Japan
4. Hokkaido Research Center, Forestry and Forest Products Research Institute Sapporo Hokkaido Japan
5. Aragon Agency for Research and Development (ARAID) Zaragoza Spain
6. Department of Agricultural and Forest Systems and the Environment Agrifood Research and Technology Centre of Aragon (CITA) Zaragoza Spain
7. Center for Ecological Research Kyoto University Otsu Shiga Japan