1. Methodology and Quality of Life in Oncology Unit, University Hospital of Besançon, Besançon, France
2. Department of Medical Oncology, University Hospital of Besançon, Besançon, France
3. Medical Department, European Organisation for Research and Treatment of Cancer, Brussels, Belgium
4. Chest disease Department, University Hospital of Besançon, Besançon, France
5. EA 3181 University of Franche-Comté, Besançon, France