1. Centre of Laboratory Medicine, Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical College, Hangzhou, People’s Republic of China
2. Department of Infectious Diseases, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
3. Department of Critical Care Medicine, Renji Hospital affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, People’s Republic of China
4. Department of Critical care medicine, Tongde Hospital of Zhejiang Province, Hangzhou, People’s Republic of China
5. Center for General Practice Medicine, Department of Infectious Diseases, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, People’s Republic of China
6. Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China