[1] Univ Duisburg Essen, Univ Hosp Essen, Dept Nucl Med, West German Canc Ctr, Essen, Germany
[2] DKTK & NCT Univ Hosp Essen, Dept Nucl Med, Essen, Germany
[3] Canc Registry North Rhine Westphalia gGmbH, Bochum, Germany
[4] Canc Registry North Rhine Westphalia, Bochum, Germany
[5] Univ Duisburg Essen, Clin Internal Med Tumor Res, Essen, Germany
[6] Univ Duisburg Essen, Dept Urol, Essen, Germany
[7] Univ Hosp Essen, German Canc Consortium DKTK, Essen, Germany
[8] Univ Hosp Essen, Dept Diagnost & Intervent Radiol & Neuroradiol, Essen, Germany
[9] Univ Duisburg Essen, Dept Nucl Med, Essen, Germany
[10] Univ Klinikum Aoe Essen Imibe, Essen, Germany
[11] Univ Hosp Essen, Inst Med Informat Biometry & Epidemiol, Essen, Germany
[12] Univ Duisburg Essen, Univ Hosp Essen, Dept Urol, Essen, Germany
[13] Canc Registry North Rhine Westphalia, Bochum, Germany