1. Department of Urology, Hospital Central of Asturias, University of Oviedo, Oviedo, Spain
2. Department of Statistics, Hospital La Paz, Madrid, Spain
3. Department of Urology, Instituto Valenciano de Oncología, Valencia, Spain
4. Department of Urology, Hospital of Basurto, Bilbao, Spain
5. Department of Urology, Hospital La Paz, Madrid, Spain
6. Department of Urology, Hospital Juan Canalejo, A Coruña, Spain
7. Department of Urology, Hospital Marques Valdecilla, Santander, Spain
8. Department of Urology, Hospital Xeral, Vigo, Spain
9. Department of Urology, Hospital Cruces, Bilbao, Spain
10. Department of Urology, Hospital Clinico San Carlos, Madrid, Spain
11. Department of Urology, Hospital General, Jerez de la Frontera, Spain
12. Department of Urology, Hospital La Princesa, Madrid, Spain
13. Department of Urology, Hospital Galdakao, Galdakao, Spain
14. Department of Urology, Hospital Virgen del Camino, Pamplona, Spain
15. Department of Urology, Hospital Dr. Negrin, Las Palmas de Gran Canaria, Spain
16. Department of Urology, Hospital Alvarez-Buylla, Mieres, Spain
17. Department of Urology, Hospital La Mancha, Alcazar de San Juan, Spain
18. Department of Urology, Hospital Miguel Servet, Zaragoza, Spain for Club Urologico Español de Tratamiento Oncologico (CUETO)