[1] Kinki Univ, Sch Med, Dept Urol, Osaka 589, Japan
[2] Taichung Vet Gen Hosp, Dept Surg, Taichung, Taiwan
[3] Sungkyunkwan Univ, Sch Med, Samsung Med Ctr, Dept Hematol Oncol, Seoul, South Korea
[4] Yamagata Univ, Fac Med, Dept Urol, Yamagata 990, Japan
[5] Chiba Canc Ctr, Dept Urol, Chiba 2608717, Japan
[6] Tata Mem Hosp, Dept Med Oncol, Bombay 400012, Maharashtra, India
[7] Natl Canc Ctr, Urol Oncol Clin, Gyeonggi Do, South Korea
[8] Peking Univ, Canc Hosp, Dept Renal Canc & Melanoma, Beijing 100871, Peoples R China
[9] Pfizer Oncol, La Jolla, CA USA
[10] Kyushu Univ, Grad Sch Med Sci, Dept Urol, Fukuoka 812, Japan
[11] Univ Tokyo, Res Ctr Adv Sci & Technol, Tokyo, Japan