[Li, Chun; Zhao, Yang; Lu, Shaoyou; Yang, Dongfeng] Sun Yat Sen Univ, Sch Publ Hlth Shenzhen, Guangzhou 510275, Peoples R China.
[Ma, Shengtao; Yu, Yingxin; Ge, Xiang] Guangdong Univ Technol, Guangzhou Key Lab Environm Catalysis & Pollut Con, Inst Environm Hlth & Pollut Control, Sch Environm Sci & Engn,Guangdong Key Lab Environ, Guangzhou 510006, Peoples R China.
[Li, Le; Yang, Dongfeng] Univ South China, Sch Publ Hlth, Hengyang 421001, Peoples R China.
[Yang, Dongfeng] Shenzhen Ctr Dis Control & Prevent, Shenzhen 518055, Peoples R China.