1. Department of Urology, University Hospital Heidelberg, Heidelberg, Germany
2. Department of Radiology, German Cancer Research Center, Heidelberg, Germany
3. MedCom GmbH, Fraunhofer Institute for Computer Graphics, Darmstadt, Germany
4. Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
5. Department of Cognitive Computing and Medical Imaging, Fraunhofer Institute for Computer Graphics, Darmstadt, Germany