Sichuan University - West China School of Public Health, Sichuan University - West China School of Public Health, Chengdu Center for Disease Control and Prevention, Tibet Center for Disease Control and Prevention, Tibet University, Guizhou Medical University (Guiyang Medical University), Chongqing Municipal Center for Disease Control and Prevention, Sichuan University - West China School of Public Health, Sichuan University - West China School of Public Health, Sichuan University - West China School of Public Health, University of Maryland - Department of Atmospheric and Oceanic Science, Sun Yat-Sen University (SYSU) - Guangzhou Key Laboratory of Environmental Pollution and Health Risk Assessment, Monash University - Department of Epidemiology and Preventive Medicine, Monash University - Department of Epidemiology and Preventive Medicine, Kunming Medical University - School of Public Health, Sichuan University - Department of Epidemiology and Biostatistics and Independent

Sichuan University, Sichuan University, Sichuan University, affiliation not provided to SSRN, Sichuan University, Tibet Center for Disease Control and Prevention, Yunnan University, Sichuan University, Sichuan University, Sichuan University, Sichuan University, Sichuan University - West China School of Public Health, Sichuan University, Sichuan University, Sichuan University, Sichuan University, Sichuan University, Sichuan University - West China School of Public Health, Sichuan University - West China School of Public Health, affiliation not provided to SSRN, Sichuan University and Sichuan University - Department of Epidemiology and Biostatistics

affiliation not provided to SSRN, affiliation not provided to SSRN, Sichuan University - West China School of Public Health, Sichuan University, Monash University - Department of Epidemiology and Preventive Medicine, Sun Yat-Sen University (SYSU) - Guangzhou Key Laboratory of Environmental Pollution and Health Risk Assessment, University of Maryland - Department of Atmospheric and Oceanic Science, Tibet Center for Disease Control and Prevention, affiliation not provided to SSRN, Kunming Medical University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Sichuan University - West China School of Public Health and Sichuan University - Department of Epidemiology and Biostatistics