1. Division of Bioengineering and Bioinformatics, Graduate School of Information Science and Technology, Hokkaido University, North 14, West 9, Kita-ku, Sapporo060-0814, Japan
2. Laboratory of Radiation Biology, Graduate School of Veterinary Medicine, Hokkaido University, North 18, West 9, Kita-ku, Sapporo060-0818, Japan
3. Laboratory of Radiation Biology, Faculty of Veterinary Medicine, Hokkaido University, North 18, West 9, Kita-ku, Sapporo060-0818, Japan
4. Division of Bioengineering and Bioinformatics, Faculty of Information Science and Technology, Hokkaido University, North 14, West 9, Kita-ku, Sapporo060-0814, Japan
5. N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, 9, Ac. Lavrentieva Ave., Novosibirsk630090, Russia
6. Department of Biochemistry and Molecular Medicine, and In Vivo Multifunctional Magnetic Resonance Center, West Virginia University Robert C. Byrd Health Sciences Center, 1 Medical Center Drive, Morgantown, West Virginia26506, United States