1. Guangdong-Hongkong-Macau Institute of CNS Regeneration (GHMICR), MOE Joint International Research Laboratory of CNS Regeneration, Jinan University, Guangzhou, Guangdong, 510632, China
2. College of Life Science and Technology, Jinan University, Guangzhou, Guangdong, 510632, China
3. Department of Traditional Therapy, The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou 510120, China
4. State Key Laboratory of Brain and Cognitive Sciences, The University of Hong Kong, Hong Kong SAR, P. R. China
5. Center for Nanofibers and Nanotechnology, Department of Mechanical Engineering, Faculty of Engineering, National University of Singapore, 117576, Singapore