National University of Singapore (NUS), Peking University, Peking University - Department of Epidemiology and Biostatistics, Peking University Health Science Center - School of Public Health, Chinese Academy of Medical Sciences, University of Oxford - Medical Research Council Population Health Research Unit (MRC PHRU), University of Oxford - MRC Population Health Research Unit, National University of Singapore (NUS), National University of Singapore (NUS), National University of Singapore (NUS), University of Oxford - Medical Research Council Population Health Research Unit (MRC PHRU), 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, National University of Singapore (NUS), Peking University - Department of Epidemiology and Biostatistics and Independent