1. Department of Medicine and Centre for Heart Lung Innovation, University of British Columbia, Vancouver, British Columbia, Canada
2. St. Paul’s Hospital, Vancouver, British Columbia, Canada
3. Department of Respiratory Medicine, Royal Prince Alfred Hospital, Sydney, Australia
4. University of Sydney, Sydney, Australia
5. Department of Medicine, University of Colorado Denver, Aurora, Colorado
6. Università Cattolica del Sacro Cuore, Fondazione Policlinico A. Gemelli, Rome, Italy
7. Department of Radiology, King’s College Hospital National Health Service Foundation Trust, London, United Kingdom
8. Department of Pathology and
9. Department of Internal Medicine V, Ludwig Maximilians University, Munich, Germany
10. Asklepios Clinics, Gauting, Germany
11. Comprehensive Pneumology Center Munich, Member of the German Center for Lung Research, Munich, Germany
12. Department of Medicine, Louis Pradel Hospital, Hospices Civils de Lyon, Claude Bernard University Lyon 1, University of Lyon, Lyon, France
13. Division of Pulmonary and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
14. Department of Medicine, University of Michigan, Ann Arbor, Michigan
15. Department of Medicine, Columbia University, New York, New York
16. Department of Radiology, National Jewish Health, Denver, Colorado
17. Department of Medicine, Weill Cornell University, New York, New York
18. Department of Medicine, University of Washington, Seattle, Washington
19. Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
20. Hinduja Hospital and Research Centre, Mumbai, India
21. Breach Candy Hospital, Mumbai, India
22. Interstitial Lung Disease Unit, Royal Brompton Hospital, London, United Kingdom; and
23. Department of Medicine, University of California San Francisco, San Francisco, California