1. Section of Pulmonary and Critical Care, Department of Medicine
2. Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of California at Davis, Davis, California
3. Department of Radiology
4. Division of Pulmonary and Critical Care, Department of Medicine and
5. Department of Radiology, NorthShore University HealthSystem, Evanston, Illinois; and
6. Department of Pathology, and
7. Committee on Immunology, Biological Sciences Division, University of Chicago, Chicago, Illinois
8. Division of Pulmonary and Critical Care and Sleep Medicine, Department of Medicine, University of Virginia, Charlottesville, Virginia