1. Department of Medical Oncology, Hospital Universitario Fundación Alcorcón, Budapest 1 Alcorcón, Madrid, 28922, Spain
2. Department of Radiation Oncology, Ramón y Cajal University Hospital, M-607, km. 9, 100, Madrid, 28034, Spain
3. Department of Medical Oncology, Centro Integral Oncológico Clara Campal, Hospital HM Delfos, HM Hospitales, Barcelona, Spain
4. Department of Medical Oncology, Hospital Universitario La Paz, Paseo de la Castellana 261, Madrid, 28046, Spain
5. Department of Medical Oncology, Puerta de Hierro Hospital, Joaquín Rodrigo 1, Majadahonda, Madrid, 28222, Spain
6. Department of Thoracic Surgery, Hospital Clínico San Carlos, Calle del Profesor Martín Lagos, s/n, Madrid, 28040, Spain
7. Department of Pathology, Hospital Universitario 12 de Octubre, Madrid, 28041, Spain
8. Department of Radiation Oncology, Fundación Jiménez Díaz, Oncohealth Institute, Avda. Reyes Católicos 2, Madrid, 28040, Spain
9. Department of Radiation Oncology, Hospital Universitario Quirónsalud Madrid, Madrid, 28223, Spain
10. Department of Radiation Oncology, Hospital La Luz, Madrid, 28003, Spain
11. Medicine Department, School of Biomedical Sciences, Universidad Europea de Madrid, Villaviciosa de Odón, 28670, Spain