1. Innovation Center for Neurological DisordersDepartment of NeurologyXuan Wu Hospital, Capital Medical UniversityBeijingChina
2. Beijing Key Laboratory of Geriatric Cognitive DisordersBeijingChina
3. Center of Alzheimer's Disease, Beijing Institute for Brain DisordersBeijingChina
4. Key Laboratory of Neurodegenerative Diseases, Ministry of EducationBeijingChina
5. National Clinical Research Center for Geriatric DisordersBeijingChina
6. Department of GerontologyFuxing Hospital, Capital Medical UniversityBeijingChina
7. Department of Health StatisticsSecond Military Medical UniversityShanghaiChina
8. Department of NeurologyDaqing Oilfield General HospitalChina
9. Department of NeurologyHenry Ford HospitalDetroitMIUSA
10. Centre for Studies in AgingMcGill UniversityMontrealQCCanada