[1] Univ Tsukuba, Dept Urol & Androl, Grad Sch Comprehens Human Sci, Tsukuba, Ibaragi 3058576, Japan
[2] Sapporo Med Univ, Sch Med, Dept Urol Surg & Androl, Sapporo, Hokkaido, Japan
[3] Iwate Med Univ, Sch Med, Dept Urol, Morioka, Iwate 020, Japan
[4] Yamagata Univ, Fac Med, Dept Urol, Yamagata 990, Japan
[5] Univ Tokyo, Fac Med, Dept Urol, Tokyo 113, Japan
[6] Hamamatsu Univ Sch Med, Dept Urol, Shizuoka, Japan
[7] Kyoto Prefectural Univ Med, Dept Urol, Kyoto, Japan
[8] Kyushu Univ, Grad Sch Med Sci, Dept Urol, Fukuoka 812, Japan
[9] Univ Tokyo, Mol Med Lab, Inst Med Sci, Ctr Human Genome, Tokyo 1138654, Japan
[10] Univ Tokyo, Lab Genome Technol, Inst Med Sci, Ctr Human Genome, Tokyo 1138654, Japan