1. From the Section of Cardiovascular Medicine, Department of Medicine (H.M.K., Yongfei Wang), Section of Health Policy and Administration, Department of Epidemiology and Public Health (H.M.K.), and Robert Wood Johnson Clinical Scholars Program (H.M.K.), Yale University School of Medicine, New Haven, Conn; Center for Outcomes Research and Evaluation, Yale New Haven Hospital, New Haven, Conn (H.M.K., Yun Wang, J.A.M.); Centers for Medicare & Medicaid Services, Baltimore, Md (L.F.H., M.J.I., S.R.);...