1. Center for Healthcare Organization and Implementation Research, Edith Nourse Rogers Memorial Veterans Affairs Hospital, Bedford, Massachusetts
2. Pulmonary Center and
3. Department of Health Law, Policy, and Management, Boston University School of Public Health, Boston, Massachusetts; and
4. Division of Pulmonary Medicine and Critical Care, Newton-Wellesley Hospital, Newton, Massachusetts
5. Section of General Internal Medicine, Boston University School of Medicine, Boston, Massachusetts