1. Center for Chronic Disease Outcomes Research; Minneapolis Veterans Affairs Health Care System; Minneapolis Minnesota
2. Department of Medicine; University of Minnesota; Minneapolis Minnesota
3. Center for Healthcare Organization and Implementation Research; Boston Veterans Affairs Healthcare System; Boston Massachusetts
4. Department of Health Law, Policy, and Management; Boston University School of Public Health; Boston Massachusetts
5. Veterans Affairs Health Services Research & Development Center for Health Information and Communication; Roudebush Veterans Affairs Medical Center; Indianapolis Indiana
6. Division of General Internal Medicine and Geriatrics, Department of Medicine; Indiana University School of Medicine; Indianapolis Indiana
7. Division of Geriatrics; San Francisco Veterans Affairs Medical Center and University of California; San Francisco California.