Peking University, Peking University, Peking University, Peking University, Peking University, Peking University, Peking University, Peking University, Peking University, The University of Manchester - Social Statistics, Zhejiang University - Department of Big Data in Health Science, Wuhan University of Science and Technology - Hubei Province Key Laboratory of Occupational Hazard Identification and Control, University College London - Department of Mental Health of Older People, Duke University - Duke Global Health Institute, Duke University - Center for the Study of Aging and Human Development, Xiangtan University and Peking University - Center for Healthy Aging and Development Studies