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1 Professor and chairman, Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, Department of Urology and Renal Transplantation, Nagasaki University Hospital, 1-7-1 Sakamoto Nagasaki, 852-8501, Japan, Tel; +81-95-819-7340 Fax; +81-95-819-7343. Electronic address: ryo-imamura@nagasaki-u.ac.jp.
3 Clinical Research Center, National Hospital Organization Mito Medical Center, Hospital Director, Omitama City Medical Center. Electronic address: kyuzawa@aol.com.
1 Professor and chairman, Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, Department of Urology and Renal Transplantation, Nagasaki University Hospital, 1-7-1 Sakamoto Nagasaki, 852-8501, Japan, Tel; +81-95-819-7340 Fax; +81-95-819-7343. Electronic address: ryo-imamura@nagasaki-u.ac.jp.
3 Clinical Research Center, National Hospital Organization Mito Medical Center, Hospital Director, Omitama City Medical Center. Electronic address: kyuzawa@aol.com.