1. Department
of Biobased Materials Science, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
2. Synchrotron
Radiation Nanotechnology Laboratory, University of Hyogo, Tatsuno, Hyogo 679-5165, Japan
3. Asahi Kasei
Corporation, 1-105 Kanda Jinbocho, Chiyoda-ku, Tokyo 101-8101, Japan