1. Center to Improve Veteran Involvement in Care, and
2. Section of Pulmonary and Critical Care Medicine, Veterans Affairs Portland Health Care System, Portland, Oregon;
3. Division of Pulmonary and Critical Care Medicine, Department of Medicine,
4. Department of Radiation Medicine, Knight Cancer Institute,
5. Oregon Rural Practice-based Research Network, and
6. Knight Cancer Institute, Oregon Health and Science University, Portland, Oregon; and
7. School of Public Health, Oregon Health and Science University–Portland State University, Portland, Oregon
8. Department of Family Medicine, Oregon Health and Science University, Portland, Oregon;