From the Hughes Medical Institute, Chevy Chase, Md (G.P.K.); and the Department of Health and Human Services, National Institutes of Health, National Heart Lung and Blood Institute, Laboratory of Cardiac Energetics (J.L.S., R.S.B.) and Vascular Medicine Branch (M.J.A., A.T.R.), Bethesda, Md. (2008-06-03時点)