1. National Heart and Lung Institute, Imperial College, London, United Kingdom
2. Department of Medicine and
3. Department of Epidemiology, Columbia University Medical Center, New York, New York
4. Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
5. Department of Pathology and Molecular Medicine, Firestone Institute for Respiratory Health, McMaster University, Hamilton, Ontario, Canada
6. National Institute of Health Research Respiratory Clinical Research Facility and
7. Department of Respiratory Medicine, Summit Hospital, Oakland, California
8. Department of Diseases of the Thorax, Ospedale G. B. Morgagni, Forlì, Italy
9. Department of Respiratory Diseases and Allergy, Aarhus University Hospital, Aarhus, Denmark
10. Fondazione Policlinico A. Gemelli, Istituto di Ricovero e Carattere Scientifico, Università Cattolica del Sacro Cuore, Rome, Italy
11. Department of Clinical and Experimental Medicine, Regional Referral Centre for Rare Lung Diseases, University-Hospital “Policlinico” Vittorio Emanuele, University of Catania, Catania, Italy
12. Auckland District Health Board, University of Auckland, Auckland, New Zealand
13. Department of Respiratory Medicine, Faculty of Medicine, University of Crete, Heraklion, Greece
14. Department of Medicine V, University of Munich and Asklepios Fachkliniken Gauting, Comprehensive Pneumology Center, member of the German Center for Lung Research [DZL], Munich, Germany
15. National Jewish Health, Denver, Colorado
16. Department of Respiratory Medicine, Royal Prince Alfred Hospital, University of Sydney, Sydney, Australia
17. National Reference Center for Rare Pulmonary Diseases, Louis Pradel Hospital, UMR 754, Claude Bernard University Lyon 1, Lyon, France
18. APHP, Hopital Bichat, Service de Pneumologie A, Université Paris Diderot, Paris, France
19. Division of Pulmonary and Critical Care Medicine, University of Michigan, Ann Arbor, Michigan
20. Alfred Health–Allergy, Immunology, and Respiratory Medicine, the Alfred Hospital, Melbourne, Australia
21. Division of Heart and Lungs, ILD Center of Excellence, St. Antonius Hospital, University Medical Centre Utrecht, Utrecht, the Netherlands
22. Clinical Research Center, National Hospital Organization Kinki–Chuo Chest Medical Center, Osaka, Japan
23. Department of Respiratory Medicine and Allergy, Tosei General Hospital, Seto, Japan
24. Center for Interstitial and Rare Lung Diseases, Pneumology and Respiratory Critical Care Medicine, Thoraxklinik, University of Heidelberg and Translational Lung Research Center Heidelberg, member of the DZL, Heidelberg, Germany
25. University of Calgary, Calgary, Alberta, Canada
26. Kaiser Permanente San Francisco, San Francisco, California
27. Weill Cornell Medicine, New York, New York
28. University Hospital of Bellvitge, IDIBELL-CIBERES, Barcelona, Spain
29. Pulmonology, Faculdade de Medicina do Porto, Centro Hospitalar São João, Oporto, Portugal
30. INSERM UMR 1272, Paris 13 University, Sorbonne Paris Cité, Service de Pneumologie, Hopital Avicenne, Bobigny, France
31. Center for Interstitial Lung Disease, University of Washington, Seattle, Washington
32. Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas,” Mexico City, Mexico
33. Respiratory Disease Unit, Department of Cardiac, Thoracic, and Vascular Sciences, University of Padova, Padova, Italy
34. Department of Pulmonary Diseases, Erasmus Medical Center, University Hospital Rotterdam, Rotterdam, the Netherlands; and
35. Department of Pulmonary Medicine, Unit for Interstitial Lung Diseases, University Hospitals Leuven, Leuven, Belgium
36. Interstitial Lung Disease Unit, Royal Brompton and Harefield Foundation Trust, London, United Kingdom