Guangdong Provincial Center for Disease Control and Prevention - Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention - Guangdong Provincial Institute of Public Health, Jinan University, Jinan University, Guangdong Provincial Center for Disease Control and Prevention - Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention - Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention - Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention - Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention - Guangdong Provincial Institute of Public Health and Jinan University - Department of Public Health and Preventive Medicine

Jinan University, affiliation not provided to SSRN, Jinan University, Jinan University, affiliation not provided to SSRN, affiliation not provided to SSRN, Jinan University, Jinan University - Department of Public Health and Preventive Medicine, Jinan University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Jinan University - Department of Public Health and Preventive Medicine

Jinan University, Jinan University, Guangzhou Medical University - Guangdong Women and Children Hospital, Guangdong Provincial Center for Disease Control and Prevention - Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention - Guangdong Provincial Institute of Public Health, Jinan University, Jinan University, Guangdong Provincial Center for Disease Control and Prevention - Guangdong Provincial Institute of Public Health, Jinan University, Guangdong Provincial Center for Disease Control and Prevention - Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention - Guangdong Provincial Institute of Public Health, affiliation not provided to SSRN, Jinan University, affiliation not provided to SSRN, Southern Medical University, Guangdong Provincial Center for Disease Control and Prevention - Guangdong Provincial Institute of Public Health and Jinan University - Department of Public Health and Preventive Medicine