1. From the Child Neurology Department and Reference Centre of Rare Disease with Intellectual Disability (A.C., L.L.-F., M.G., A.B.-L., F.G., M.B., V.D.P.), Hospices Civils de Lyon, Lyon University Hospital; Lyon Neuroscience Research Centre (A.C., M.G., A.B.-L., F.G., M.B., V.D.P.), CNRS UMR5292, INSERM U1028; Lyon University (A.C., V.D.P.); Reference Centre for Inherited Metabolic Diseases (V.V., A.B., P.D.L.), Imagine Institute, Necker Enfants-Malades Hospital, Paris University Hospital, University...