1. Hubei Provincial Key Laboratory for Applied Toxicology, Hubei Provincial Center for Disease Control and Prevention, Wuhan 430079, Hubei, PR China
2. Department of Epidemiology, Brown University School of Public Health, Providence 02903, Rhode Island, United States
3. School of Environment, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510632, Guangdong, PR China