1. Department of Burns and Plastic Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
2. Department of Neurology, The First Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
3. Department of Neurosurgery, The First Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
4. Department of Intensive Care Unit, The Fourth Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
5. Department of Vascular Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China