1. Department of Neurology, Center for Movement Disorders, Beijing Tiantan Hospital Capital Medical University Beijing China
2. China National Clinical Research Center for Neurological Diseases Beijing China
3. Center for Brain Imaging Science and Technology College of Biomedical Engineering and Instrument Science Zhejiang University Hangzhou China
4. Department of Neurobiology, Beijing Institute of Geriatrics Xuanwu Hospital of Capital Medical University Beijing China
5. Department of Radiology, Guang'anmen Hospital China Academy of Chinese Medical Sciences Beijing China
6. Parkinson's Disease Center, Beijing Institute for Brain Disorders Capital Medical University Beijing China