1. Hellenic Genito-Urinary Cancer Group; Athens Greece
2. Department of Clinical Therapeutics; Medical School; Athens University; Athens Greece
3. Department of Oncology and Centre de Recherche Clinique Dubois Ferrari; Geneva University Hospital; Geneva Switzerland
4. Department of Radiation Oncology; Geneva University Hospital; Geneva Switzerland
5. 2 Department of Urology; University of Athens; Athens Greece
6. 1 Department of Urology; University of Athens; Athens Greece
7. Department of Urology Department; Geneva University Hospital; Geneva Switzerland