1. Department of Pulmonary Medicine, Erasmus University Medical Centre, Rotterdam, The Netherlands
2. Department of Pulmonary Medicine, Amphia Hospital, Breda, The Netherlands
3. Department of Medical and Clinical Psychology, Centre of Research on Psychological and Somatic Disorders (CoRPS), Tilburg University, Tilburg, The Netherlands
4. Netherlands Comprehensive Cancer Organisation (IKNL), Utrecht, The Netherlands