1. Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
2. Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
3. Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
4. Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
5. Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
6. Department of Epidemiology, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China