[1] Univ Turin, San Luigi Gonzaga Hosp, Dept Urol, Turin, Italy
[2] Inst Paoli Calmettes Canc Ctr, Dept Urol, Marseille, France
[3] Radboud Univ Nijmegen, Med Ctr, Dept Radiol & Nucl Med, Nijmegen, Netherlands
[4] Candiolo Canc Inst Res & Care, Dept Radiol, Turin, Italy
[5] Univ Lille Nord France, Lille Univ Hosp, Dept Urol, Lille, France
[6] UCL, Res Dept Urol, London, England
[7] Vaudois Univ Hosp, Dept Urol, Lausanne, Switzerland