1. Department of Radiology and Nuclear Medicine; Erasmus University Medical Center; Rotterdam The Netherlands
2. Department of Public Health; Erasmus University Medical Center; Rotterdam The Netherlands
3. Department of Radiology; University College London Hospital NHS Foundation Trust; London UK
4. Division of Surgery and Interventional Science; University College London Hospital NHS Foundation Trust; London UK
5. Department of Urology; University College London Hospital NHS Foundation Trust; London UK
6. Department of Urology; Erasmus University Medical Center; Rotterdam The Netherlands