1. a Creative Research Initiative "Sousei", Hokkaido University, N21-W10, Kita-ku, Sapporo, Hokkaido 001-0021, Japan
2. b Ihara & Company Ltd., 3-263-23 Zenibako, Otaru, Hokkaido 047-0261, Japan
3. c Division of Biotechnology and Macromolecular Chemistry, Graduate School of Engineering, Hokkaido University, N13-W8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan
4. d Division of Biotechnology and Macromolecular Chemistry, Graduate School of Engineering, Hokkaido University, N13-W8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan