1. Key Laboratory of Biomedical Engineering of Fujian Province University/Research Center of Biomedical Engineering of Xiamen, Department of Biomaterials, College of Materials, Xiamen University, Xiamen 361005, P. R. China
2. Department of Pharmacology, College of Pharmacy, Army Medical University (Third Military Medical University), Chongqing 400038, P. R. China
3. Department of Neurosurgery, Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361005, P. R. China
4. National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, P. R. China
5. State Key Lab of Physical Chemistry of Solid Surfaces, Xiamen University, Xiamen 361005, P. R. China