Government of the People's Republic of China - Department of Pulmonary and Critical Care Medicine, Peking University - Trauma Center, Tongji University - Department of Pulmonary and Critical Care Medicine, Tongji University - Department of Pulmonary and Critical Care Medicine, Tongji University - Department of Pulmonary and Critical Care Medicine, Tongji University - Department of Pulmonary and Critical Care Medicine, Government of the People's Republic of China - Department of Emergency and Critical Care Medicine, UPMC Pinnacle Hospital - Department of Internal Medicine, Government of the People's Republic of China - Department of Infectious Disease and Tuberculosis, Tongji University - Department of Pulmonary and Critical Care Medicine, Tongji University - Department of Pulmonary and Critical Care Medicine, Tongji University - Department of Respiratory and Critical Care Medicine, Tongji University - Department of Pulmonary and Critical Care Medicine, Tongji University - Department of Pulmonary and Critical Care Medicine, Tongji University - Department of Pulmonary and Critical Care Medicine, Tongji University - Department of Pulmonary and Critical Care Medicine, Peking University - Department of Emergency, Tongji University - Department of Pulmonary and Critical Care Medicine, Tongji University - Department of Respiratory and Critical Care Medicine and Tongji University - Department of Pulmonary and Critical Care Medicine