1. Division of Pulmonary Medicine and Allergy, Department of Internal Medicine Hanyang University Hospital Seoul South Korea
2. Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Internal Medicine, Hallym University Kangnam Sacred Heart Hospital Hallym University College of Medicine Seoul South Korea
3. Scottish Centre for Respiratory Research University of Dundee Dundee UK
4. Department of Pulmonology, Interventions and Sleep Medicine C K Birla group of Hospitals Kolkata India
5. Lung Foundation Australia Milton QLD Australia
6. Department of Respiratory Medicine, Royal Prince Alfred Hospital, Faculty of Medicine and Health University of Sydney Sydney New South Wales Australia
7. Department of Respiratory Medicine Concord Repatriation General Hospital; University of Sydney, Concord Clinical School, Faculty of Medicine and Health Concord New South Wales Australia
8. Department of Pulmonary and Critical Care Medicine, Asan Medical Center University of Ulsan College of Medicine Seoul South Korea