1. Center to Improve Veteran Involvement in their Care (CIVIC), VA Portland Health Care System, Portland, Oregon, USA.
2. Division of Pulmonary and Critical Care Medicine, Oregon Health and Science University, Portland, Oregon, USA.
3. Portland Veterans Affairs Medical Center, Divisions of Pulmonary Critical Care Medicine, Portland, Oregon, USA.
4. Oregon Health and Science University—Portland State University School of Public Health, Oregon Health and Science University, Portland, Oregon, USA.
5. Geriatrics Section, Veterans Affairs Portland Health Care System, Portland, Oregon, USA.
6. Knight Cancer Institute, Oregon Health and Science University, Portland, Oregon, USA.