[1] Erasmus MC, Dept Urol, Rotterdam, Netherlands
[2] Erasmus MC, Dept Publ Hlth, Rotterdam, Netherlands
[3] Mt Sinai Hosp, Univ Hlth Network, Dept Surg Pathol, Toronto, ON M5G 1X5, Canada
[4] Fdn IRCSS, Inst Nazl Tumori, Sci Directorate, Prostate Program, Milan, Italy
[5] British Columbia Canc Agcy, Dept Radiat Oncol, Vancouver, BC V5Z 4E6, Canada
[6] Radboud Univ Nijmegen, Med Ctr, Dept Radiol, NL-6525 ED Nijmegen, Netherlands
[7] Cleveland Clin, Dept Quantitat Hlth Sci, Cleveland, OH 44106 USA
[8] Univ Calif San Francisco, Dept Urol, San Francisco Med Ctr, San Francisco, CA 94143 USA
[9] Europa Uoma Secrtariat, Oncol Ctr Antwerp, Antwerp, Belgium
[10] Royal Marsden Natl Hlth Serv Fdn Trust, Acad Urol Unit, Sutton, Surrey, England
[11] Univ Coll Hosp, Div Surg & Intervent Sci, London, England
[12] Sunnybrook Hlth Sci Ctr, Div Urol, Toronto, ON M4N 3M5, Canada
[13] Univ Helsinki, Cent Hosp, Dept Urol, Helsinki, Finland
[14] Univ Helsinki, Helsinki, Finland
[15] Kagawa Univ, Dept Urol, Fac Med, Takamatsu, Kagawa 760, Japan
[16] Univ Bristol, Sch Social & Community Med, Bristol, Avon, England
[17] Univ Clin Munster, Dept Urol, Prostate Ctr, Munster, Germany
[18] Johns Hopkins Sch Med, Dept Urol, Baltimore, MD USA