1. Department of Medical Oncology Hospital Puerta de Hierro Majadahonda Spain
2. Department of Radiation Oncology HGU Gregorio Marañón Madrid Spain
3. Department of Medical Oncology Hospital Universitario Virgen de la Macarena Sevilla Spain
4. Department of Medical Oncology Hospital Universitario Virgen de la Victoria Málaga Spain
5. Preventive Medicine and Public Health Area CIBERESP Santiago de Compostela University Madrid Spain
6. Department of Medical Oncology Hospital Universitario de Gran Canaria Dr Negrín Las Palmas de Gran Canaria Spain
7. Department of Medical Oncology Institut d'Oncologia de la Catalunya Sud Hospital Universitari Sant Joan de Reus IISPV‐URV Tarragona Spain
8. Department of Medical Oncology Complejo Hospitalario Universitario de Pontevedra Pontevedra Spain