1. Department of Neurology, Xuan Wu Hospital of the Capital Medical University, Beijing, China
2. State Key Laboratory of Cognitive Neuroscience and Learning & IDG/Mc Govern Institute for Brain Research, Beijing Normal University, Beijing, China
3. Department of Neurology, Hongqi Hospital, Mudanjiang Medical College, Mudanjiang, Heilongjiang, China
4. Department of Radiology, Xuan Wu Hospital of the Capital Medical University, Beijing, China
5. Center of Alzheimer’s Disease, Beijing Institute for Brain Disorders, China
6. Beijing Key Laboratory of Geriatric Cognitive Disorders and Neurodegenerative Laboratory of Ministry of Education of the People’s Republic of China, Beijing, China