[1
]
Department of Urology, Keio University School of Medicine, Tokyo, Japan.
[2
]
Department of Urology, Keio University School of Medicine, Tokyo, Japan. eiji-k@kb3.so-net.ne.jp.
[3
]
Department of Preventive Medicine and Public Health, Biostatistics Unit at the Clinical
Translational Research Center, Keio University School of Medicine, Tokyo, Japan.
[4
]
Department of Urology, Tokyo Dental College, Ichikawa General Hospital, Chiba, Japan.
[5
]
Department of Urology, Saitama City Hospital, Saitama, Japan.
[6
]
Department of Urology, Saitama Medical Hospital, Saitama, Japan.
[7
]
Department of Urology, Kawasaki Municipal Hospital, Kanagawa, Japan.
[8
]
Department of Urology, International University of Health and Welfare Mita Hospital,
Tokyo, Japan.
[9
]
Department of Urology, Isehara Kyodo Hospital, Kanagawa, Japan.
[10
]
Department of Urology, National Hospital Organization Saitama National Hospital, Saitama,
Japan.