Guangzhou Center for Disease Control and Prevention, Southern Medical University - Department of Epidemiology, Guangzhou Center for Disease Control and Prevention, Southern Medical University - Department of Epidemiology, Guangzhou Center for Disease Control and Prevention, Southern Medical University - Department of Epidemiology, Guangzhou Center for Disease Control and Prevention, Zhejiang University - State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Guangzhou Center for Disease Control and Prevention, Southern Medical University - Department of Epidemiology, Guangzhou Center for Disease Control and Prevention, Southern Medical University - Department of Epidemiology, Guangzhou Center for Disease Control and Prevention, Southern Medical University - Department of Epidemiology, Southern Medical University - Department of Epidemiology, Southern Medical University - Department of Epidemiology, Southern Medical University - Department of Epidemiology, Southern Medical University - Department of Epidemiology, Southern Medical University - Department of Epidemiology, Southern Medical University - Department of Epidemiology, Southern Medical University - Department of Epidemiology, Southern Medical University - Food Safety and Health Research Center, Guangzhou Center for Disease Control and Prevention, The Chinese University of Hong Kong (CUHK) - School of Public Health and Primary Care, Guangzhou Center for Disease Control and Prevention and Southern Medical University - Department of Epidemiology

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Southern Medical University, Southern Medical University, Southern Medical University, Southern Medical University, Southern Medical University, Southern Medical University, Southern Medical University, Southern Medical University, Southern Medical University, Southern Medical University, Southern Medical University, Southern Medical University, Southern Medical University, Southern Medical University and Southern Medical University - Department of Epidemiology

Southern Medical University, Southern Medical University, Southern Medical University, Hospital of Zhongluotan, Southern Medical University, Southern Medical University, Guangzhou Medical University, Hong Kong University of Science & Technology (HKUST) and Southern Medical University - Department of Epidemiology