1. National Reference Center for Rare Pulmonary Diseases, Louis Pradel Hospital, Hospices Civils de Lyon, University of Lyon, Institut National de Recherche pour l’Agriculture et l’Environnement (INRAE), European Reference Network (ERN-LUNG), Lyon, France;
2. Department of Experimental and Clinical Medicine, Careggi University Hospital, Florence, Italy;
3. Pulmonology Department, Hospital Universitario de la Princesa, Departamento Medicina, Universidad Autónoma de Madrid, Madrid, Spain;
4. Imperial College London, London, United Kingdom;
5. University of Heraklion, Heraklion, Crete, Greece;
6. Center for Interstitial and Rare Lung Diseases, Ruhrlandklinik University Hospital, University of Duisburg-Essen, Essen, Germany;
7. National Jewish Health Medical and Research Center, Denver, Colorado;
8. Department of Medicine, University of California San Francisco, San Francisco, California;
9. Royal Prince Alfred Hospital and University of Sydney, Sydney, New South Wales, Australia;
10. Division of Pulmonary and Critical Care Medicine and
11. Department of Medicine and
12. Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada;
13. Department of Medicine, Firestone Institute for Respiratory Health, St. Joseph’s Healthcare, McMaster University, Hamilton, Ontario, Canada;
14. Center for Interstitial and Rare Lung Diseases, Department of Pneumology, Thoraxklinik, University Hospital Heidelberg, Heidelberg, Germany;
15. German Center for Lung Research, Heidelberg, Germany;
16. Kinki-Chuo Chest Medical Center, Clinical Research Center, National Hospital Organization, Osaka, Japan;
17. School of Medicine, Anschutz Medical Campus, University of Colorado Denver, Aurora, Colorado;
18. Division of Pulmonary, Critical Care and Sleep Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California;
19. Interstitial Lung Disease Unit, Brompton Hospital, London, United Kingdom;
20. Cornell Medical College, New York, New York;
21. Interstitial Lung Disease Unit, Respiratory Department, University Hospital of Bellvitge, IDIBELL, CIBERES, Barcelona, Spain;
22. Division of Anatomic Pathology, University of Michigan, Ann Arbor, Michigan;
23. Advanced Lung Disease and Transplant Program, Inova Fairfax Hospital, Falls Church, Virginia;
24. Department of Diseases of the Thorax and
25. Buenos Aires British Hospital, Buenos Aires, Argentina;
26. Center for Interstitial Lung Diseases, Department of Medicine, Department of Laboratory Medicine and Pathology, University of Washington, Seattle, Washington;
27. Bombay Hospital Institute of Medical Sciences and Bhatia Hospital, Mumbai, India;
28. Department of Thoracic Diseases, G.B. Morgagni Hospital, University of Bologna, Forlì, Italy;
29. Thoracic Imaging, Calmette Hospital, Lille, France;
30. UOC Pneumologia, Universita Cattolica del Sacro Cuore Sede di Roma, Rome, Italy;
31. Respiratory Disease Unit, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padova, Padova, Italy;
32. Department of Respiratory Medicine, Royal Prince Alfred Hospital, Sydney, Australia;
33. Sydney Medical School, University of Sydney, Sydney, Australia;
34. Erasmus University Rotterdam, Rotterdam, the Netherlands;
35. Division of Allergy, Pulmonary, Critical Care, and Sleep Medicine, School of Medicine, Boston University, Boston, Massachusetts;
36. Department of Respiratory Medicine, K U Leuven, Leuven, Belgium; and
37. University of British Columbia Faculty of Medicine, Vancouver, British Columbia, Canada