1. Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Center, Beijing, China;
2. Medical Research Council Population Health Research Unit at the University of Oxford, Oxford, UK;
3. Clinical Trial Service Unit & Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom;
4. Key Laboratory of Molecular Cardiovascular Sciences (Peking University), Ministry of Education, Beijing, China;
5. Peking University Institute of Environmental Medicine, Beijing, China;
6. Chinese Academy of Medical Sciences, Beijing, China;
7. Hainan Center for Disease Control & Prevention, Hainan, China;
8. The First Affiliated Hospital of Hainan Medical University, Hainan, China;
9. China National Center for Food Safety Risk Assessment, Beijing, China