1. Department of Brain Diseases, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, P. R. China
2. Department of Psychiatry, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, P. R. China
3. Department of Radiology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, P. R. China
4. Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong, P. R. China