[1] Inst Canc Res, London SW3 6JB, England
[2] Royal Marsden Hosp, London SW3 6JJ, England
[3] Med Univ Lubeck, Dept Urol, D-23538 Lubeck, Germany
[4] San Camillo & Forlanini Hosp, Dept Med Oncol, Rome, Italy
[5] Univ Glasgow, Beatson West Scotland Canc Ctr, Glasgow, Lanark, Scotland
[6] Studienpraxis Urol, Nurtingen, Germany
[7] Univ Brescia, Med Oncol, Spedali Civili Hosp, Brescia, Italy
[8] Univ Hosp Leuven, Leuven, Belgium
[9] Onze Lieve Vrouw Hosp, Aalst, Belgium
[10] Natl Inst Oncol, Chemotherapy & Clin Pharmacol Dept C, Budapest, Hungary
[11] Jahn Ferenc Del Pesti Korhaz, Dept Urol, Budapest, Hungary
[12] AZ Groeninge, Kortrijk, Belgium
[13] Janssen Cilag, Paris, France
[14] Janssen Cilag, Tilburg, Netherlands
[15] Janssen Cilag, Neuss, Germany
[16] Catholic Univ Louvain, Inst Rech Expt & Clin, B-1200 Brussels, Belgium