1 Department of Critical Care Medicine, Huadong Hospital, Fudan University, Shanghai 200040, China.
2 Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
3 Department of Critical Care Medicine, The First Hospital of Jilin University, Changchun, Jilin 130021, China.
4 Department of Critical Care Medicine, the First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, China.
5 Department of Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China.
6 Department of Critical Care Medicine, Zhejiang hospital affiliated to Medical College of Zhejiang University, Hangzhou, Zhejiang 310013, China.
7 Department of Critical Care medicine, The First Affiliated Hospital of USTC, Division of Life Science and Medicine, University of Science and Technology of China, Hefei, Anhui 230001, China.
8 Department of Critical Care medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Qingdao, Shandong 266071, China.
9 Department of Critical Care Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330000, China.
10 Department of Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China.
11 Department of Intensive Care Unit, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong, 510630, China.
12 Department of Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, China.
13 Department of Emergency Medicine and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
14 Emergency Department Intensive Care Units, Guizhou Medical University Affiliated Hospital, Guiyang, Guizhou 550004, China.
15 Department of Emergency, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, China.
16 Department of ICU, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, China.
17 Department of Critical Care Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, China.
18 Department of Critical Care Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China.
19 Department of Anesthesiology and Surgical Intensive Care Unit, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200092, China.
20 Department of Critical Care Medicine, Tongji University Affiliated Shanghai Tenth People's Hospital, Shanghai 200072, China.