1. Cell Therapy Center, Beijing Institute of Geriatrics, Xuanwu Hospital Capital Medical University, National Clinical Research Center for Geriatric Diseases, Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing, China
2. Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China
3. Center of Parkinson’s Disease, Beijing Institute for Brain Disorders, Beijing, China