Central South University - Department of Pulmonary and Critical Care Medicine, Huazhong University of Science and Technology - Department of Pulmonary and Critical Care Medicine, Central Hospital of Shaoyang City - Department of Pulmonary and Critical Care Medicine, Central South University - Department of Pulmonary and Critical Care Medicine, Fourth People's Hospital of Yiyang - Department of Critical Care Medicine, Central South University - Department of Pulmonary and Critical Care Medicine, Central South University - Department of Pulmonary and Critical Care Medicine, Central South University - Department of Pulmonary and Critical Care Medicine, Central South University - Department of Pulmonary and Critical Care Medicine, Central South University - Department of Pulmonary and Critical Care Medicine, Central South University - Department of Nephrology, Huazhong University of Science and Technology - Department of Pulmonary and Critical Care Medicine, Central South University - Department of Radiology and Central South University - Department of Pulmonary and Critical Care Medicine