3 Department of Respiratory and Critical Care Medicine, Hangzhou First People's Hospital, School of Medicine, Zhejiang University. Hangzhou 310001, China.
4 Department of Respiratory and Critical Care Medicine, Jiaxing First Hospital, Jiaxing 314001, China.
5 Department of Respiratory and Critical Care Medicine, Hangzhou Red Cross Hospital Affiliated to Zhejiang University, Hangzhou 310003, China.
6 Department of Respiratory and Critical Care Medicine, Yuhang District Second People's Hospital, Hangzhou 311121, China.
7 Department of Respiratory and Critical Care Medicine, The Third People's Hospital of Xiaoshan, Hangzhou 311203, China.
8 Department of Respiratory and Critical Care Medicine, Taizhou Central Hospital, Taizhou 318000, China.
9 Department of Respiratory and Critical Care Medicine, Taizhou Hospital of Zhejiang Province, Taizhou 317000, China.
10 Department of Respiratory and Critical Care Medicine, The People's Hospital of Jiangshan, Quzhou 324100, China.
11 Department of Respiratory and Critical Care Medicine, The People's Hospital of Lanxi, Jinhua 321100, China.
12 Department of Respiratory and Critical Care Medicine, People's Hospital of Cangnan, Wenzhou Medical University, Wenzhou 325800, China.
13 Department of Respiratory and Critical Care Medicine, Quhua Hospital, Quzhou 324004, China.
14 Department of Respiratory and Critical Care Medicine, Fuyang people's Hospital, Hangzhou 311400, China.
15 Department of Respiratory and Critical Care Medicine, Anji people's Hospital, Huzhou 313300, China.
16 Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Hangzhou Normal University, Hangzhou 324000, China.
17 Department of Respiratory and Critical Care Medicine, Ningbo First Hospital, Ningbo 315010, China.
18 Department of Infectious Diseases, Sir Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou 310020, China.
20 Department of Infectious Diseases, Sir Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou 310020, China; Key Laboratory of Microbial Technology and Bioinformatics of Zhejiang Province, Hangzhou 310016, China; Regional Medical Center for National Institute of Respiratory Diseases, Sir Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou 310020, China. Electronic address: yvys119@zju.edu.cn.