1. From the Wellcome Centre for Mitochondrial Research, (J.J.C., M.O., N.M.-L., A.M.S., A.P., R.M., R.W.T.), the Translational and Clinical Research Institute (J.J.C, M.O., T.M.P., A.M.S., A.P., R.M., R.W.T.), and the NHS Highly Specialised Service for Rare Mitochondrial Disorders of Adults and Children (A.M.S., R.M., R.W.T.), Newcastle University, Newcastle Upon Tyne, and the Institute of Child Health, Department of Molecular Neuroscience, University College London Institute of Neurology (D.Z., M.R.), the...