1. Departments of Urology and 4Pathology, Helios Medical Center, University of Witten/Herdecke, Wuppertal, Germany
2. Center for Advanced Molecular Diagnostics, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, Massachusetts 02115, United States
3. Department of Urology, University of California, Irvine, California, United States
4. Northern Institute for Cancer Research, Newcastle University, Newcastle Upon Tyne, United Kingdom