Stem Cell Clinical Research Center;
National Joint Engineering Laboratory;
Regenerative Medicine Center;
The First Affiliated Hospital of Dalian Medical University;
Dalian;
Liaoning Province;
China;
Dalian Innovation Institute of Stem Cell and Precision Medicine;
Dalian;
Liaoning Province;
China;
adverse events; brain; cell transplantation; central nervous system; cerebral palsy; clinical trials; plasticity; regeneration; stem cell;