[1] Univ Dusseldorf, Dept Urol, D-40225 Dusseldorf, Germany
[2] Rudolfstiftung, Dept Urol, Viena, Austria
[3] Fundacio Puigvert, Dept Patol, Barcelona, Spain
[4] Univ Kliniken Eppendorf, Dept Med Oncol, Hamburgo, Germany
[5] Hosp Univ Karolinska, Dept Urol, Estocolmo, Sweden
[6] Univ Paris 11, Dept Med, Villejuif, France
[7] Royal Marsden NHS Trust, Unidad Acad Radioterapia & Oncol, Sutton, Surrey, England
[8] Univ Amsterdam, Dept Urol, Ctr Med Amsterdam, Amsterdam, Netherlands
[9] Inst Canc Res, Sutton, Surrey, England