1. Medical Oncology Division, Hospital Sant Pau i Santa Tecla, Tarragona, Spain
2. Hospital Universitario Central de Asturias, Oviedo, Spain
3. Genitourinary Medical Oncology Division, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
4. Medical Oncology Division, Institut Català d’Oncologia, L’Hospitalet de Llobregat, Barcelona, Spain
5. IDIBELL, Barcelona, Spain
6. Hospital General Universitario Jose M Morales Meseguer, Murcia, Spain