Masanori Katsuyama, Kyoto Prefectural University, Environmental Science, Kyoto, Japan, Hirokazu Haga, Tottori University, Tottori, Japan, Keitaro Fukushima, Kyoto University, Kyoto, Japan, Tomoki Oda, The University of Tokyo, Tokyo, Japan, Masamitsu Fujimoto, Ritsumeikan University, Kusatsu, Japan, Ken'ichi Osaka, University of Shiga Prefec, Hikone, Japan, Ryohei Nagano, Obayashi Future Lab, Technology Division, Obayashi Corporation, Tokyo, Japan and Tomohiro Egusa, The University of Tokyo, Graduate School of Agricultural and Life Sciences, Tokyo, Japan