1. Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
2. Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom
3. Medical Research Council Population Health Research Unit (MRC PHRU) at the University of Oxford, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom
4. Peking University Center for Public Health and Epidemic Preparedness and Response (PKU-PHEPR), Peking University, Beijing, China
5. Chinese Academy of Medical Sciences, Beijing, China
6. Jiangsu Center for Disease Control and Prevention, Nanjing, China
7. National Center for Food Safety Risk Assessment, Beijing, China
8. National Institute for Health Research Oxford Biomedical Research Centre, Oxford University Hospital, Oxford, United Kingdom