Peking University - Department of Epidemiology and Biostatistics, Peking University - Department of Epidemiology and Biostatistics, Peking University Health Science Center - School of Public Health, Peking University - Department of Epidemiology and Biostatistics, Chinese Academy of Medical Sciences, University of Oxford - MRC Population Health Research Unit, University of Oxford - Medical Research Council Population Health Research Unit (MRC PHRU), University of Oxford - Medical Research Council Population Health Research Unit (MRC PHRU), Maiji CDC, University of Oxford, China National Center for Food Safety Risk Assessment, University of Oxford - Clinical Trial Service Unit and Epidemiological Studies Unit, Peking University - Department of Epidemiology and Biostatistics, Peking University - Department of Epidemiology and Biostatistics and Independent