[1
]The Netherlands Cancer Institute, Amsterdam, the Netherlands
[2
]Department of Urology, Radboud University Hospital, Nijmegen, the Netherlands
[3
]Department of Urology, Princess Margaret Hospital, Toronto, Ontario, Canada
[4
]Department of Oncology, Cardiff Hospital, Wales, United Kingdom
[5
]Department of Urology, Institut Jules Bordet, Brussels, Belgium
[6
]Department of Urology, Amsterdam Medical Center, Amsterdam University, Amsterdam,
the Netherlands
[7
]Division of Medical Oncology, QEII Health Sciences Center, Halifax, Nova Scotia, Canada
[8
]Department of Urology, Saint Antonius Hospital, Nieuwegein, the Netherlands
[9
]Department of Oncology, Maastricht University Medical Center, Maastricht, the Netherlands
[10
]Department of Surgery-Urology, University of Montreal Hospital Center, Quebec, Ontario,
Canada
[11
]Department of Oncology, The Royal Free Hospital and Queen Mary University, London,
United Kingdom
[12
]Department of Urology, University Medical Center Groningen, University of Groningen,
Groningen, the Netherlands
[13
]Department of Medical Oncology, Ghent University Hospital, Ghent, Belgium
[14
]Department of Urology, Cliniques Universitaires Saint-Luc, Brussels, Belgium
[15
]Department of Statistics, European Organisation for Research and Treatment of Cancer,
Brussels, Belgium
[16
]Currently with Bristol-Myers Squibb, Brussels, Belgium