1. Department of Occupational and Environmental Health, School of Public Health, Sun Yat-sen University, Guangzhou, China
2. Climate, Air Quality Research Unit, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
3. Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, China
4. Geriatric Neurology Department of the Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, China
5. Research Center of Clinical Epidemiology, Peking University Third Hospital, Beijing, China