1. From the Metabolism Unit (S.K.G., K.V.F., M.V.Z., M.R.D., E.S.F., S.E.L., S.M.), the Cardiovascular Imaging Research Center, Department of Radiology (K.P., B.F., M.T.L.), and the Yvonne L. Munn Center for Nursing Research (S.E.L.), Massachusetts General Hospital and Harvard Medical School, the Center for Biostatistics in AIDS Research, Harvard T.H. Chan School of Public Health (T.U., J.L.-C., H.J.R.), and the Thrombolysis in Myocardial Infarction Study Group, Cardiovascular Division, Brigham and Women’s...