1. Department of Respiratory Medicine, National Reference Center for Rare Pulmonary Diseases, Louis Pradel Hospital, Lyon, France
2. Université Claude Bernard, Lyon, France
3. Interstitial Lung Disease Unit, Royal Brompton Hospital, London, United Kingdom
4. Department of Surgical Sciences, Ospedale Maggiore di Parma, Parma, Italy
5. Policy Analysis Inc., Brookline, Massachusetts
6. Department of Thoracic Medicine, University of Crete, Heraklion, Greece
7. Roche, Basel, Switzerland; and
8. Division of Pulmonary and Critical Care Medicine, University of California, San Francisco, San Francisco, California