[1] Kyoto Prefectural Univ Med, Dept Urol, Kyoto, Japan
[2] Univ Southern Calif, Dept Pathol & Urol, Los Angeles, CA 90007 USA
[3] KYOCERA Commun Syst Co Ltd, Corp R&D Dept, Kyoto, Japan
[4] Kyoto Prefectural Univ Med, Dept Surg Pathol, Kyoto, Japan
[5] Kyoto Prefectural Univ Med, Dept Med Photon, Kyoto, Japan
[6] Kyoto Prefectural Univ Med, Dept Biostat, Kyoto, Japan
[7] Kyoto Prefectural Univ Med, Dept Clin & Translat Res Ctr, Kyoto, Japan
[8] Univ Southern Calif, Dept Urol & Radiol, Los Angeles, CA 90007 USA