Netherlands Comprehensive Cancer Organisation - Department of Research and Development, Netherlands Comprehensive Cancer Organisation - Department of Research and Development, Netherlands Comprehensive Cancer Organisation - Department of Research and Development, Hospital Duran i Reynals (ICO) - Catalan Institute of Oncology, Hospital Duran i Reynals (ICO) - Catalan Institute of Oncology, Patients organization Longkanker Nederland, University Hospital Zurich - Department of Radiation Oncology, University of Freiburg - Medical Center, Radboud University Nijmegen - Radboud University Medical Center, Novartis Pharmaceuticals Corporation, Novartis Institutes for Biomedical Research, Cambridge - Novartis Pharma AG, Medical University of Vienna, Medical University of Vienna, Erasmus University Rotterdam (EUR) - Department of Pulmonary Medicine, Amsterdam Academic Medical Center, European Institute of Oncology (IEO) IRCCS, European Patients’ Forum and Netherlands Comprehensive Cancer Organisation - Department of Research and Development