1. Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan
2. Department of Respiratory Medicine, Gunma University Graduate School of Medicine, Maebashi 371-8511, Japan
3. Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki 852-8521, Japan
4. Global Station for Biosurfaces and Drug Discovery, Hokkaido University, Sapporo 060-0812, Japan