1. Department of Urology, University of Texas Southwestern Medical Center, Dallas, Texas
2. Department of Urology, University of Vienna, Vienna, Austria
3. Servicio de Bioquimica, Hospital Universitario de Salamanca, Salamanca, Spain
4. Cleveland Clinic Urological Institute, Cleveland Clinic Foundation, Cleveland, Ohio
5. Departments of Urology, Justus-Liebig University, Giessen, Germany
6. Department of Urology, Kärnsjukhuset Skövde, Skövde, Sweden
7. Hackensack University Medical Center/College of Physicians and Surgeons, Columbia University, New York, New York
8. University of Hamburg, Hamburg, Germany
9. Hospital Center Biel, Biel, Switzerland
10. Department of Pathology, Bolzano, Italy
11. Oncology Diagnostic Unit, Faculty of Medicine, Ain Shams University, Abbassia, Cairo, Egypt
12. Department of Urology, University of Tsukuba, Tsukuba, Ibaraki, Japan
13. Institute of Urology, University of Palermo, Italy
14. Department of Urology, University of Montreal, Montreal, Quebec, Canada