作者机构:[1]Department of Neurosurgery, China-Japan Union Hospital, Jilin University, Changchun 130031, Jilin Province, China., [2]First Ward of Medical Department, Jilin Cancer Hospital, Changchun 130021, Jilin Province, China.
相关基金:This work was supported by grants from National Science Foundation of China (No.30672159) and New Century Excellent Talents of Chinese Universities (No. NCET-06-0306).