1. State Key Laboratory of Organic−Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, P. R. China
2. School of Medicine, South China University of Technology, Guangzhou 510006, China
3. Trauma Center, Peking University People’s Hospital, Beijing 100044, P.R. China
4. Key Laboratory of Trauma and Neural Regeneration, Ministry of Education, National Trauma Medical Center, Peking University, Beijing 100044, P.R. China
5. Department of Radiology, China−Japan Friendship Hospital, Beijing 100029, P.R. China