1. Department of Respiratory MedicineSir Charles Gairdner Hospital Perth WA Australia
2. Pleural Medicine UnitInstitute for Respiratory Health Perth WA Australia
3. Oxford Centre for Respiratory MedicineChurchill Hospital Oxford UK
4. Oxford NIHR Biomedical Research Centre Oxford UK
5. Academic Respiratory Unit, Bristol Medical SchoolUniversity of Bristol Bristol UK
6. North Bristol Lung CentreNorth Bristol NHS Trust Bristol UK
7. Centre for Respiratory Health, School of MedicineUniversity of Western Australia Perth WA Australia