affiliation not provided to SSRN, Chinese PLA General Hospital - Geriatric Neurology Department of The Second Medical Center, Sun Yat-sen University (SYSU), Sun Yat-sen University (SYSU) - Guangdong Provincial Engineering Technology Research Center of Environmental Pollution and Health Risk Assessment, Sun Yat-sen University (SYSU) - Guangdong Provincial Engineering Technology Research Center of Environmental Pollution and Health Risk Assessment, Peking University - Institute of Reproductive and Child Health, Chinese PLA General Hospital - Geriatric Neurology Department of The Second Medical Center, Sun Yat-Sen University (SYSU) - Guangzhou Key Laboratory of Environmental Pollution and Health Risk Assessment, Monash University - Department of Epidemiology and Preventive Medicine and Monash University - Department of Epidemiology and Preventive Medicine

Tsinghua University - Department of Industrial Engineering, Peking University - Peking University Third Hospital, Peking University - Research Center of Clinical Epidemiology, Peking University - Peking University Third Hospital, Chinese PLA General Hospital - Geriatric Neurology Department of The Second Medical Center, Chinese PLA General Hospital - Geriatric Neurology Department of The Second Medical Center, Tsinghua University - Department of Industrial Engineering and Peking University - Research Center of Clinical Epidemiology