[1] Univ Hosp Frankfurt, Dept Urol, Frankfurt, Germany
[2] Goethe Univ Frankfurt, Univ Hosp Frankfurt, Dept Urol, Frankfurt, Germany
[3] Univ Hosp Frankfurt, Dept Nucl Med, Frankfurt, Germany
[4] Goethe Univ Frankfurt, Dept Nucl Med, Frankfurt, Germany
[5] Univ Hosp Hamburg Eppendorf, Martini Klin Prostate Canc Ctr, Hamburg, Germany
[6] Prostate Canc Ctr Hamburg, Martini Clin, Hamburg, Germany
[7] Goethe Univ Frankfurt, Frankfurt, Germany
[8] Goethe Univ Frankfurt, Dept Urol, Frankfurt, Germany