1. Division of Allergy, Pulmonary and Critical Care Medicine, Department of Medicine Vanderbilt University Medical Center Nashville Tennessee USA
2. Center for Interstitial and Rare Lung Diseases, Pneumology Department, Ruhrlandklinik University Hospital University Duisburg‐Essen Essen Germany
3. Clinical Research Center National Hospital Organization Kinki‐Chuo Chest Medical Center Osaka Japan
4. National Coordinating Reference Center for Rare Pulmonary Diseases, Louis Pradel Hospital University of Lyon Lyon France
5. Respiratory Research Adelphi Real World Bollington UK
6. Development, Medical Affairs Galapagos NV Mechelen Belgium