1. Department of Urology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
2. Department of Urology, SSB Trauma Center, Firozabad, India.
3. Department for Interventional and Diagnostic Radiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
4. Martini-Clinic Prostate Cancer Center, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.