1. Faculty of Pharmaceutical Sciences; Hokkaido University; Sapporo; 060-0812; Japan
2. Graduate School of Medicine; Hokkaido University; Sapporo; 060-8638; Japan
3. Department of Pharmacy; Hokkaido University Hospital; Sapporo; 060-8648; Japan
4. Department of Pharmaceutical Sciences; Tohoku University Hospital; Sendai; 980-8574; Japan