1. Department of Medicine, American University of Beirut, Beirut, Lebanon
2. Pulmonary and Critical Care Medicine, Henry Ford Hospital-Wayne State University, Detroit, Michigan
3. Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Stony Brook University Hospital, Stony Brook, New York
4. Department of Critical Care, Respiratory Institute, Cleveland Clinic, Cleveland, Ohio
5. Division of Respiratory Medicine, University of Nottingham, Nottingham, United Kingdom
6. Library and Knowledge Sciences, National Jewish Health, Denver, Colorado
7. Division of Pulmonary, Critical Care and Sleep Medicine, Saint Louis University, Saint Louis, Missouri
8. Spectrum Health-Michigan State University, Grand Rapids, Missouri
9. Center for Interstitial Lung Disease, University of Washington, Seattle, Washington; and
10. Department of Medicine, Boston University School of Medicine, Boston, Massachusetts