1. Department of Neurology, Hongqi Hospital of Mudanjiang Medical University, Mudanjiang, Heilongjiang, China
2. State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, China
3. Department of Rehabilitation, XuanWu Hospital of Capital Medical University, Beijing, China
4. Department of Ophthalmology, Xuan Wu Hospital, Capital Medical University, Beijing, China
5. School of Medical Sciences, Faculty of Medicine, UNSW Australia, Sydney, Australia
6. Department of Neurology, XuanWu Hospital of Capital Medical University, Beijing, China
7. Center of Alzheimer's Disease, Beijing Institute for Brain Disorders, China