Umbilical Cord Blood Therapy for Children With Global Developmental Delay

The subjects will be undertaken allogeneic umbilical cord blood infusion intravenously or intraarterially under non-myeloablative immunosuppression.

All subjects should participate in active rehabilitation. They will receive two physical and occupational therapy sessions per day. Post discharge, each participant should continue to receive rehabilitation therapy at least 3 days per week until the study completion.