1. University of Colorado Denver
2. University of Chicago Chicago Illinois
3. University of Lyon, UMR754, Reference Center for Rare Pulmonary Diseases, Hospices Civils de Lyon Lyon France
4. Brigham and Women’s Hospital Boston Massachusetts
5. Columbia University Medical Center New York New York
6. National Jewish Health Denver Colorado
7. Johns Hopkins Medicine Baltimore Maryland
8. University of Zurich Zurich Switzerland
9. Edinburgh Lung Fibrosis ClinicNHS Lothian and Centre for Inflammation ResearchUniversity of Edinburgh Edinburgh UK
10. University of California San Francisco
11. University of Michigan Ann Arbor
12. National Heart and Lung Institute, Imperial College London and NIHR Respiratory Clinical Research Facility, Royal Brompton Hospital London UK
13. University of Bristol Bristol UK
14. University of Washington Seattle
15. Medical University of South Carolina Charleston
16. Georgetown University Washington DC
17. University of California Los Angeles
18. Trinity College Dublin Ireland