Southeast University - Department of Critical Care Medicine, Southeast University - Department of Critical Care Medicine, Huazhong University of Science and Technology - Department of Emergency Medicine, Huazhong University of Science and Technology - Department of Critical Care Medicine, Wuhan Pulmonary Hospital - Department of Critical Medicine, Third People's Hospital of Shenzhen - Department of Critical Care Medicine, Southeast University - Department of Critical Care Medicine, Huangshi Central Hospital - Department of Critical Care Medicine, Huangshi Central Hospital - Department of Critical Care Medicine, Capital Medical University - Department of Respiratory and Critical Care Medicine, Capital Medical University - Department of Respiratory and Critical Care Medicine, Southeast University - Department of Critical Care Medicine, Capital Medical University - Xuanwu Hospital Department of Critical Care Medicine, 900th Hospital of Joint Service Corps of Chinese PLA - Emergency Department, Fudan University - Department of Critical Care Medicine, Guangzhou Medical University - Department of Critical Care Medicine, Zhejiang University - Department of Critical Care Medicine, Southeast University - Department of Critical Care Medicine, Yangzhou University - Department of Critical Care Medicine, Capital Medical University - Department of Respiratory and Critical Care Medicine, Capital Medical University - Department of Respiratory and Critical Care Medicine, Southeast University - Department of Critical Care Medicine and Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC)