1 Department of Respiratory and Critical Care Medicine, Peking University Third Hospital, Beijing, 100191, China.
2 Drug Clinical Trial Center, Peking University Third Hospital, Beijing, 100191, China.
3 Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Nanchang University, Nanchang, 330006, China.
4 Department of Respiratory and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
5 Research Center of Clinical Epidemiology, Peking University Third Hospital, Beijing, 100191, China.
6 Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, 100034, China.
7 Trauma Center, Peking University People's Hospital, Beijing, 100044, China.
8 Beijing Haidian Hospital, Haidian Section of Peking University Third Hospital, Beijing, 100080, China.
9 Department of Cardiology, Peking University Third Hospital, Beijing, 100191, China.
10 Institute of Medical Innovation, Peking University Third Hospital, Beijing, 100191, China.
11 Drug Clinical Trial Center, Peking University Third Hospital, Beijing, 100191, China. liudongyang@vip.sina.com.
12 Department of Respiratory and Critical Care Medicine, Peking University Third Hospital, Beijing, 100191, China. shenning1972@126.com.