| Phenotype details |
see paper; ..., 3y-focal seizures; focal seizures with impaired awareness, generalized tonic-clonic seizures (yearly; EEG 15y slow background, focal discharges, focal seizures recorded; MRI brain 15y, 21y, 24y, 27y, 28y thin corpus callosum, widespread white matter abnormality, especially periventricular/posterior, progressive cerebellar atrophy, and trabecular bone thickening; global moderate developmental delay, cerebellar ataxia, tremor, dysarthria, limited mobility, bipolar disorder; mild hyperbilirubinemia |