1. Department of Physical Chemistry, Graduate School of Pharmaceutical Sciences, Chiba University, Inage-Yayoi, Chiba 263-8522, Japan
2. Laboratory of Viral Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Gakuen, Musashimurayama-shi, Tokyo 208-0011, Japan
3. Department of Material Chemistry, Faculty of Engineering, Hosei University, Koganei, Tokyo 184-8787, Japan
4. Research Institute for Science and Engineering, Waseda University, Okubo, Shinjuku, Tokyo 169-8555, Japan
5. Department of Chemistry, School of Medicine, Toho University, Ota-ku, Tokyo 143-8450, Japan
6. Institute of Molecular Science, Myodaiji, Okazaki 444-8585, Japan
7. Department of Material Science and Engineering, Nagoya Institute of Technology, Showa-ku, Nagoya 466-8555, Japan