[1] Europa Uomo, B-2000 Antwerp, Belgium
[2] Univ Hosp Leuven, Dept Urol, Louvain, Belgium
[3] Inst Gustave Roussy, Dept Radiotherapy, F-94805 Villejuif, France
[4] Astellas Pharma Europe Ltd, Staines, Middx, England
[5] Mater Misericordiae Univ Hosp, Professorial Surg Unit, Dublin 7, Ireland
[6] Univ Coll Dublin, Dublin 2, Ireland