1. University of Texas MD Anderson Cancer Center Houston TX USA
2. Memorial Cancer Institute Memorial Hospital Hollywood FL USA
3. Radboud University Nijmegen Medical Centre Nijmegen the Netherlands
4. North York General Hospital Toronto Ontario Canada
5. Bristol Royal Infirmary and Bristol Urological Institute Bristol UK
6. University of Arizona and BCG Oncology Phoenix AZ USA
7. University of Luebeck Luebeck Germany
8. Fundació Puigvert Universitat Autònoma de Barcelona Barcelona Spain
9. Claude Bernard University Hôpital Edouard Herriot Lyon France
10. Azienda Unità Sanitaria Locale di Modena Modena Italy