1Department of Critical Care Medicine, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang 310014, China
2Department of Critical Care Medicine, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, China
3Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
4Department of Critical Care Medicine, Ruijin Hospital North, Shanghai Jiao Tong University School of Medicine, Shanghai 201800, China
5Department of Critical Care Medicine, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, China
6Department of Critical Care Medicine, Dalian Municipal Central Hospital, Dalian, Liaoning 116033, China