1. From the Institute for Clinical Research and Health Policy Studies (T.W.C., J.L.G., D.M.K., J.R.B., H.P.S.), Tufts Medical Center and Tufts University School of Medicine, Boston, Mass; Department of Health Care Policy (S.-L.N., J.P.N.), Harvard Medical School, Boston, Mass; Harvard School of Public Health (S-L.N., J.P.N.), Boston, Mass; Kennedy School of Government (J.P.N.), Harvard University, Cambridge, Mass; Faculty of Arts and Sciences (J.P.N.), Harvard University, Cambridge, Mass; and...