1. From the Cardiac Metabolism Research Group, Department of Physiology, Anatomy, and Genetics, University of Oxford, UK (L.C.H., K.M.P., M.A.C., D.R.B., R.D.E., K.C.); Department of Biochemistry, University of Cambridge, UK (H.J.A., J.L.G.); and Department of Molecular Genetics, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, The Netherlands (J.F.G., J.J.L.).