Chinese Academy of Medical Sciences - Department of Critical Care Medicine, Huazhong University of Science and Technology - College of Life Science and Technology, Academy of Military Sciences - Beijing Institute of Microbiology and Epidemiology, Academy of Military Sciences - Beijing Institute of Microbiology and Epidemiology, Huazhong University of Science and Technology - College of Life Science and Technology, Chinese Academy of Medical Sciences - Department of Critical Care Medicine, Chinese Academy of Medical Sciences - Department of Critical Care Medicine, Chinese Academy of Medical Sciences - Department of Critical Care Medicine, Academy of Military Sciences - Beijing Institute of Microbiology and Epidemiology and Chinese Academy of Medical Sciences - Department of Critical Care Medicine