1. Department of Occupational and Environmental Health, and
2. Ministry of Education Key Lab for Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
3. These authors contributed equally to this work.
4. Department of Nutrition, and
5. Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts, USA
6. School of Public Health, Key Lab of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China