1. Section of Pulmonary and Critical Care Medicine, Department of Medicine, University of Chicago, Chicago, Illinois;
2. Center to Improve Veteran Involvement in Care,
3. Section of Pulmonary and Critical Care Medicine, and
4. Imaging Division, Veterans Affairs Portland Health Care System, Portland, Oregon;
5. Section of Pulmonary and Critical Care Medicine, Veterans Affairs Minneapolis Health Care System, Minneapolis, Minnesota; and
6. Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
7. Department of Radiation Medicine, Knight Cancer Institute, Oregon Health and Science University, Portland, Oregon