1. Field of Drug Discovery Research, Faculty of Advanced Life Science, and Graduate School of Life Science, Hokkaido University, N21 W11, Kita-ku, Sapporo, 001-0021, Japan
2. ENU Pharma, Co., Ltd, N7, W6, Kita-ku, Sapporo 060-0807, Japan
3. Department of Urology, Graduate School of Medicine, Hirosaki University, Hirosaki 036-8562, Japan
4. Department of Laboratory Medicine and Central Clinical Laboratory, Showa University, Northern Yokohama Hospital, Yokohama 224-8503, Japan