ASD: autism spectrum disorder; bm-MNC: bone marrow mononuclear cells; cars: Child Autism Assessment Scale; cb: umbilical cord blood; CSF: cerebrospinal fluid; EEG: electroencephalography; id: mental retardation; it: intrathecal; iv: intravenous; msc: mesenchymal stromal cells; uc-MSC: umbilical cord msc derived from umbilical cord; ucb: cord blood cells; atec: Checklist for evaluation of <a href=https://noblelondon.com/rost-czen-na-zhile-v-anglii/>https://noblelondon.com/rost-czen-na-zhile-v-anglii/</a>.