1. Tokyo Institute of Technology, Graduate School of Decision Science and Technology, Department of Value Decision Science, Doctoral Program, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
2. Tokyo Institute of Technology, School of Environment and Society, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
3. Institute for Global Environmental Strategies, 2108-11 Kamiyamaguchi, Hayama, Kanagawa 240-0115, Japan
4. Material Cycles Division, National Institute for Environmental Studies, Onogawa 16-2, Tsukuba 305-8506, Japan
5. ISA, School of Physics, The University of Sydney, NSW 2006, Australia