1. Department of Public Health and Primary Care, Leiden University Medical Centre, Leiden, The Netherlands
2. Lung Alliance Netherlands, Amersfoort, The Netherlands
3. Department of Respiratory Medicine and Tuberculosis, University of Groningen and University Medical Centre Groningen, Groningen, The Netherlands
4. Health Evidence, Radboud University Medical Centre, Nijmegen, The Netherlands
5. Department of Anaesthesiology, Pain and Palliative Medicine, Radboud University Medical Centre, Nijmegen, The Netherlands