1. Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
2. Department of Neurobiology, Key Laboratory on Neurodegenerative Disorders of Ministry of Education, Beijing Institute of Geriatrics, Xuanwu Hospital, Capital Medical University, Beijing, China
3. Beijing Key Laboratory on Parkinson’s Disease, Parkinson Disease Center of Beijing Institute for Brain Disorders, Beijing, China
4. Department of Neurology, Neurobiology and Geriatrics, Xuanwu Hospital of Capital Medical University, Beijing Institute of Brain Disorders, Beijing, China
5. Clinical Center for Parkinson’s Disease, Capital Medical University, Beijing, China