. . . . . . "The neuronal cells may be used, for example, to treat or prevent various neurological or neurodegenerative disorders or diseases including but limited to Parkinson's disease, Alzheimer's disease, Huntington's disease, Lewy body dementia, multiple sclerosis, cerebellar ataxia, progressive supranuclear palsy, spinal cord injury, amyotrophic lateral sclerosis (ALS), epilepsy, stroke, ischemia, injury" .