1. Photocatalyst Group, Kanagawa Academy of Science and Technology, 3-25-13 Tonomachi, Kawasaki-ku, Kanagawa, Kawasaki 210-0821, Japan
2. Department of Urology, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Kanagawa, Yokohama 236-0004, Japan