1. Frontier Research Institute for Materials Science Nagoya Institute of Technology Nagoya 466-8555 Japan
2. Department of Life Science and Applied Chemistry Nagoya Institute of Technology Nagoya 466-8555 Japan
3. Department of Physical Science and Engineering Nagoya Institute of Technology Nagoya 466-8555 Japan
4. Department of Computer and Network Engineering Hiroshima City University Hiroshima 731-3194 Japan