From the Department of Medicine, Hospital of the University of Pennsylvania (C.M.), and the Division of General Internal Medicine and the Leonard Davis Institute of Health Economics, University of Pennsylvania (D.G.) — all in Philadelphia; and the Section of General Internal Medicine and the Robert Wood Johnson Foundation Clinical Scholars Program, Department of Internal Medicine, Yale University School of Medicine, the Department of Health Policy and Management, Yale University School of Public Health, and the Center for Outcomes Research and Evaluation and Yale–New Haven Hospital — all in New Haven, CT (J.S.R.).
Disclosure forms provided by the authors are available with the full text of this article at NEJM.org.
