1. Department of Molecular & Macromolecular Chemistry, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
2. Research & Development Center, Unitika, Ltd., 23 Uji-Kozakura, Uji-Shi, Kyoto, 611-0021, Japan
3. Department of Macromolecular Science & Engineering, Kyoto Institute of Technology, Kyoto 606-8585, Japan
4. RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo, Hyogo 679-51982, Japan
5. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira 2-1-1, Aobaku, Sendai City, Miyagi 980-8577, Japan
6. Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8561, Japan