1. Institute of Reproductive and Child Health/Ministry of Health Key Laboratory of Reproductive Health and Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
2. Advanced Institute of Information Technology, Peking University, Beijing, China
3. Department of Health Policy, School of Health Policy and Management, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
4. China Center for Health Development Studies, Peking University, Beijing, China
5. Dementia Care and Research Center, Clinical Research Division, Peking University Institute of Mental Health (Sixth Hospital), Beijing, China
6. Beijing Dementia Key Lab, National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), NHC Key Laboratory of Mental Health (Peking University), Beijing, China