1 Molecular Urooncology, Department of Urology, University Hospital Heidelberg, Im Neuenheimer Feld 517, D-69120 Heidelberg, Germany.
2 Institute of Pathology, University Hospital Bonn, Venusberg-Campus 1, D-53127 Bonn, Germany.
3 Department of Urology, University Hospital Münster, Albert-Schweitzer Campus 1, D-48149 Münster, Germany.
4 Department of Urology, University Hospital Heidelberg, National Center for Tumor Diseases (NCT) Heidelberg, Im Neuenheimer Feld 110, D-69120 Heidelberg, Germany.
5 Institute of Pathology, University Hospital Bonn, Venusberg-Campus 1, D-53127 Bonn, Germany. Electronic address: marcus.cronauer@ukbonn.de.
6 Molecular Urooncology, Department of Urology, University Hospital Heidelberg, Im Neuenheimer Feld 517, D-69120 Heidelberg, Germany; Department of Urology, University Hospital Heidelberg, National Center for Tumor Diseases (NCT) Heidelberg, Im Neuenheimer Feld 110, D-69120 Heidelberg, Germany. Electronic address: stefan.duensing@med.uni-heidelberg.de.