1. Marsico Lung Institute,
2. Department of Epidemiology,
3. Pathology Services Core, Lineberger Comprehensive Cancer Center, and
4. Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland;
5. Critical Care Medicine Department, National Institutes of Health Clinical Center, Bethesda, Maryland; and
6. Department of Pathology and Laboratory Medicine and
7. Pulmonary Critical Care Medicine, Weill Cornell Medicine, New York, New York
8. Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina;