1. Medical Oncology Department, Hospital Clínico Universitario de Valladolid, Valladolid, 47003, Spain
2. Medical Oncology Department, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, 28922, Spain
3. Medical Oncology Department, Gustave Roussy Cancer Campus, Villejuif, 94805, France
4. Thoracic Tumors Unit, Pathology Department, Hospital Clinic of Barcelona, Barcelona, 08036, Spain
5. Medical Oncology Department, Catalan Institute of Oncology, Hospital Duran i Reynals, L'Hospitalet de Llobregat, Barcelona, 08908, Spain
6. Department of Radiation Oncology, Hospital Universitario Quirónsalud Madrid, Pozuelo de Alarcón, Madrid, 28223, Spain
7. Department of Radiation Oncology, Hospital La Luz, Madrid, 28003, Spain
8. Medicine Department, School of Biomedical Sciences, Universidad Europea, Villaviciosa de Odón, Madrid, 28670, Spain
9. Thoracic Tumors Unit, Medical Oncology Department, Hospital Clinic of Barcelona, Barcelona, 08036, Spain