International Monetary Fund (IMF), Duke-NUS Graduate Medical School Singapore, National University of Singapore (NUS) - Programme in Health Services and Systems Research, National University of Singapore (NUS) - Department of Infectious Diseases, National University of Singapore (NUS) - Programme in Health Services and Systems Research, National University of Singapore (NUS) - Duke-NUS Medical School, National University of Singapore (NUS) - Programme in Health Services and Systems Research, National University of Singapore (NUS) - Programme in Health Services and Systems Research and National University of Singapore (NUS) - Health Services and Systems Research

Southern Medical University - Department of Epidemiology, Southern Medical University - Department of Epidemiology, Government of the United States of America - National Institute of Environmental Health Sciences (NIEHS), Pennsylvania State University - University Park, Chinese Center for Disease Control and Prevention (China CDC), Duke University - School of Medicine, Chinese Center for Disease Control and Prevention (China CDC), Duke-NUS Graduate Medical School Singapore, Duke-NUS Graduate Medical School Singapore, Center for Healthy Aging and Development Studies, National School of Development, Peking University and Government of the United States of America - National Institute of Environmental Health Sciences (NIEHS)