1. Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, National Clinical Research Center for Geriatric Diseases, Beijing 100053, P. R. China
2. Beijing Key Laboratory of Geriatric Cognitive Disorders, Beijing 100053, P. R. China
3. Clinical Center for Neurodegenerative Disease and Memory Impairment, Capital Medical University, Beijing 100053, P. R. China
4. Center of Alzheimer’s Disease, Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing 100053, P. R. China
5. Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing 100053, P. R. China