[1]Department oflntensive Care Unit Shandong Cancer Hospital Shandong University Jinan 250117 China;
[2]Department ofEmergencyMedicine Zhongshan Hospital Fudan University;
[3]Department of Trauma-Emergency & Critical Care Medicine Shanghai Fifth People's Hospital Fudan University Shanghai 200240 China;
[3]Department of Trauma-Emergency & Critical Care Medicine Shanghai Fifth People's Hospital Fudan University Shanghai 200240 China;
[3]Department of Trauma-Emergency & Critical Care Medicine Shanghai Fifth People's Hospital Fudan University Shanghai 200240 China;
[4]Division of Swine Infectious Diseases Shanghai Veterinary Research Institute CAAS Shanghai 200240 China;
[3]Department of Trauma-Emergency & Critical Care Medicine Shanghai Fifth People's Hospital Fudan University Shanghai 200240 China;