| Phenotype details |
see paper; ..., poor latch, weak suck required bottle feedings; no epilepsy; severe fine motor delay, gross motor delay, language delay, intellectual disability; coarse face, prominent forehead, large ears, clear corneas, wide-spaced teeth, short thick neck; height/weight/OFC >97th percentile; severe generalized hypotonia with normal muscle bulk/decreased strength, hyperactive reflexes all limbs, ankle clonus, spastic paraparesis |