1. Center for Clinical Studies; University Hospital Regensburg; Regensburg Germany
2. Regional Centre for Excellence in Palliative Care, Department of Oncology, Oslo University Hospital and European Palliative Care Research Centre, Department of Cancer and Molecular Medicine; Norwegian University of Science and Technology; Norway
3. Oncology Departments, Navarra Hospital Complex; Pamplona Spain
4. Division of Thoracic Surgery, St. James's University Hospital; Leeds United Kingdom
5. The Christie National Health Service Foundation Trust; Manchester United Kingdom
6. University Surgical Unit, University Hospital Southampton; Hampshire United Kingdom
7. Institute of Epidemiology and Preventive Medicine, National Taiwan University; Taipei Taiwan
8. Department of Internal Medicine II; University Hospital Regensburg; Regensburg Germany
9. Thoracic Oncology-MOCA, Antwerp University Hospital; Edegem Belgium
10. EORTC Quality of Life Department; Brussels Belgium