2 Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada.
3 Department of Medicine, University of Chicago, Chicago, Illinois.
4 Department of Medicine V, Ludwig Maximilian University Hospital, German Center for Lung Research, Ludwig Maximilian University Munich, Munich, Germany.
5 Department of Respiratory Medicine, National Reference Centre for Rare Pulmonary Diseases, European Respiratory Network- Respiratory Diseases, Louis Pradel Hospital, Lyon Public Hospitals, Lyon, France.
6 Mixed Research Unit 754, French National Research Institute for Agriculture, Food and Environment, Claude Bernard University Lyon 1, Lyon, France.
7 Macquarie Respiratory and Sleep Unit, Macquarie University, Sydney, New South Wales, Australia.
8 Department of Medicine, Loyola University Chicago Stritch School of Medicine, Maywood, Illinois.
9 Centre for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada.
10 Division of Respiratory Medicine, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
11 Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.
12 National Heart and Lung Institute, National Institute for Health and Care Research Imperial Biomedical Research Centre, Imperial College London, London, United Kingdom.
13 Interstitial Lung Disease Centre, Royal Brompton and Harefield Hospital, London, United Kingdom.
14 Department of Medicine, University of Virginia School of Medicine, Charlottesville, Virginia.
15 Department of Medicine, Yale School of Medicine, New Haven, Connecticut.
16 Fondazione Policlinico Universitario Agostino Gemelli, Istituto di Ricovero e Cura a Carattere Scientifico, Università Cattolica del Sacro Cuore, Rome, Italy.
17 Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee.
18 Lung Cell Biology, Airways Disease, National Heart and Lung Institute, Imperial College London, London, United Kingdom; and.
19 Department of Respiratory Medicine, Royal Prince Alfred Hospital and University of Sydney, Sydney, New South Wales, Australia.