1. From the Department of Emergency Medicine (Y.W., L.T., W.B.L., Y.Y., B.L.L., T.A.C., X.M.), Center for Translational Medicine (E.G., W.K.), Division of Endocrinology, Diabetes, and Metabolic Diseases (B.J.G.), Thomas Jefferson University, Philadelphia, Pa; and Nuclear Magnetic Resonance Laboratory for Physiological Chemistry, Brigham and Women’s Hospital, Boston, Mass (R.T.).