Affiliation: | First Department of Surgery, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634–8522;Department of Urology, Tokyo Medical University, 6-1-1 Shinjuku, Shinjuku-ku, Tokyo 160–8402;Department of Molecular Biology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160–8582 |