| Phenotype details |
see paper; ..., birth spontaneous vaginal delivery, weight 3,190 g (46th centile), length 51 cm (84th centile); abnormal body weight (1st centile); short stature (<1st centile); 7y-microcephaly (OFC -4.12 SD, <1st centile); developmental/motor regression (onset 6m); spasticity; no spastic quadriparesis; dystonia; drooling, dysarthria; non-ambulatory; increased deep tendon reflexes; MRI brain severe atrophy of cerebellum, striatum, cerebrum |