1. From the Cardiovascular Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA (K.C.K., G.K.S., M.I.P., Y.S.C., A.U.C., T.Q., A.P.A., G.-P.S., P.L., E.R.E., C.L.F., P.H.S.); Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA (K.C.K., A.B.B., M.I.P., Y.S.C., M.J., E.R.E.); Department of Biomedical Engineering, University of Texas at Austin, TX (A.B.B.); and Department of Health Services, University of Washington, Seattle,...