[1] Fdn IRCCS Ist Nazl Tumori, Milan, Italy
[2] Katholieke Univ Leuven Hosp, Leuven, Belgium
[3] Royal Free Hosp, London NW3 2QG, England
[4] Univ Dusseldorf, Dusseldorf, Germany
[5] Hosp Univ Vaudois, Lausanne, Switzerland
[6] Inst Gustave Roussy, Villejuif, France
[7] Nuovo Osped Civile S Agostino Estense, Ausl Modena, Modena, Italy
[8] Ctr Oncol, Europa Uomo, Antwerp, Belgium
[9] Kings Coll Hosp London, NHS Fdn Trust, London, England
[10] Bundesverband Prostatakrebs Selbsthilfe, Europa Uomo, Bonn, Germany
[11] Aarhus Univ Hosp, DK-8000 Aarhus, Denmark
[12] Ctr Comprehens Canc, IKNL, Utrecht, Netherlands
[13] Univ Naples Federico II, Naples, Italy
[14] Bonn Univ Hosp, Bonn, Germany
[15] Royal Marsden NHS Fdn Trust, Sutton, Surrey, England
[16] Osped San Camillo & Forlanini, Rome, Italy
[17] Clin Univ St Luc, B-1200 Brussels, Belgium
[18] Netherlands Canc Inst, Amsterdam, Netherlands
[19] UCL, London, England
[20] German Canc Soc, Deutsche Krebsgesellschaft, Berlin, Germany
[21] European Sch Oncol, Milan, Italy