1. From the Section of Cardiovascular Medicine (H.M.K., G.C.S., J.C., Y.W., Y.-F.W., E.E.D.) and the Robert Wood Johnson Clinical Scholars Program (H.M.K.), Department of Internal Medicine; Section of Health Policy and Administration (H.M.K., E.H.B.), School of Public Health, Yale University School of Medicine; and the Center for Outcomes Research and Evaluation (H.M.K., Y.W., Z.L.), Yale-New Haven Hospital, New Haven, Conn; Mathematica Policy Research, Inc (A.R.M., E.M.S.), Cambridge, Mass; Centers...