1. Research Center for Nuclear Center, Osaka University, Osaka, Japan
2. Department of Electrical Engineering and Bioscience, Waseda University, Tokyo, Japan
3. Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan
4. Okayama Universty, Okayama, Japan
5. Niigata University, Niigata, Japan
6. Chubu Electric Power Company, Inc., Aichi, Japan
7. Sumitomo Heavy Industries Ltd., Kanagawa, Japan
8. Hagoromo Electric Inc., Osaka, Japan