Department of Epidemiology University of Florida Gainesville FL 32610 USA;
Department of Surgery School of Medicine Duke University Durham NC 27710 USA;
Department of Epidemiology University of Florida Gainesville FL 32610 USA;
Department of Epidemiology University of Florida Gainesville FL 32610 USA;
Department of Epidemiology University of Florida Gainesville FL 32610 USA;
Department of Social Medicine and Health Promotion School of Public Health Guangxi Medical University Nanning Guangxi 530021 China;
Department of Preventive Medicine School of Health Sciences Wuhan University Wuhan Hubei 430072 China;