1 Clinical Trial Service Unit & Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom.
2 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.
3 Chinese Academy of Medical Sciences, Beijing, China.
4 Tongxiang Centre for Disease Control and Prevention, Tongxiang, Zhejiang Province, China.
5 NCDs Prevention and Control Department, Liuyang Centre for Disease Control and Prevention, Liuyang, Hunan Province, China.
6 Department of Epidemiology, School of Public Health, Peking University Health Science Center, Beijing, China.
7 China National Center for Food Safety Risk Assessment, Beijing, China.
8 Clinical Trial Service Unit & Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom. michael.holmes@ndph.ox.ac.uk.
9 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. michael.holmes@ndph.ox.ac.uk.
10 National Institute for Health Research Oxford Biomedical Research Centre, Oxford University Hospital, Oxford, United Kingdom. michael.holmes@ndph.ox.ac.uk.
11 Clinical Trial Service Unit & Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom. robin.walters@ndph.ox.ac.uk.
12 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. robin.walters@ndph.ox.ac.uk.