1. Department of General Systems Studies University of Tokyo Tokyo Japan
2. Graduate School of Information Science University of Hyogo Kobe Japan
3. SOKENDAI, Graduate University for Advanced Studies Hayama Japan
4. Ecology and Evolutionary Biology Graduate School of Life Sciences Tohoku University Sendai Japan
5. Faculty of Human Sciences Waseda University Tokorozawa Japan
6. Research Institute for Humanity and Nature Kyoto Japan