Zhejiang University, Zhejiang University - State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Zhejiang Chinese Medical University, Johns Hopkins University - Bloomberg School of Public Health, Zhejiang University, Zhejiang University - School of Public Health, Zhejiang University, Zhejiang University, Zhejiang University, Zhejiang University, Zhejiang University, Shanghai Jiao Tong University (SJTU) and Zhejiang University - State Key Laboratory for Diagnosis and Treatment of Infectious Diseases