1 From the Departments of Pediatric Radiology (C.-J.R., R.L., V.D.-R., N.B.), Neurology and Metabolism (C.-M.D.-B., M.H., M.S., P.D.L., M. Aubart, I.D., A.M., C.G.), and Genetics (A.R., G.B.), Hôpital Necker-Enfants Malades, AP-HP, Université Paris Cité; IMAGINE Institute INSERM UMR 1163 (C.-J.R., A.R., M.S., M. Aubart, R.L., V.D.-R., G.B., A.M., N.B.), Paris; INSERM Institut Necker-Enfants Malades (P.D.L.), Paris; and Departments of Pediatric Radiology (M. Alison) and Neurology (M.J.), Hospital Robert Debré, Université Paris Cité, France.