1. State Key Laboratory of Chemical Resource Engineering; Beijing University of Chemical Technology; Beijing 100029 China
2. Key Laboratory of Carbon Fiber and Functional Polymers; Beijing University of Chemical Technology; Ministry of Education; Beijing 100029 China
3. Beijing Laboratory of Biomedical Materials; Beijing University of Chemical Technology; Beijing 100029 China
4. Brain Tumor Research Center; Beijing Neurosurgical Institute; Department of Neurosurgery; Beijing Tiantan Hospital affiliated to Capital Medical University; Beijing 100050 China