| Phenotype details |
see paper; ..., birth spontaneous vaginal delivery, weight 3,288 g (45th centile); normal weight; short stature (2nd centile); 13y-microcephaly (OFC -2.12 SD, 2nd centile); developmental/motor regression (onset 30m); spasticity (progressive, ascending); spastic quadriparesis; dystonia; drooling, dysarthria; gait abnormalities; increased deep tendon reflexes |