1. Department
of Macromolecular Science, Graduate School of Science, Osaka University, 1-1
Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan
2. Materials
Characterization Laboratories, Toray Research Center, Inc., 3-3-7, Sonoyama, Otsu, Shiga 520-8567, Japan
3. Department
of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Kyoto 615-8510, Japan
4. Graduate
School of Life and Environmental Sciences, Osaka Prefecture University, Gakuen-cho,
Nakaku, Sakai 599-8531, Japan