1. Department of Critical Care Medicine Xiangya Hospital, Central South University National Clinical Research Center for Geriatric Disorders, Hunan Provincial Clinical Research Center for Critical Care Medicine Changsha Hunan Province China
2. Department of critical medicine Hebei Medical University Fourth Affiliated Hospital and Hebei Provincial Tumor Hospital Shijiazhuang Hebei China
3. Department of critical medicine the First Affiliated Hospital of Guizhou Medical School Guiyang Guizhou China
4. Department of Critical Care Medicine Hangzhou First People's Hospital Hangzhou Zhejiang China
5. Department of Critical Care Medicine Peking Union Medical College Hospital Beijing Beijing China
6. Department of Critical Care Medicine Sichuan University West China Hospital Chengdu Sichuan China
7. Department of Critical Care Medicine Beijing Tongren Hospital Beijing Beijing China
8. Department of Critical Care Medicine Fujian Provincial Hospital Fuzhou Fujian China
9. Department of Critical Care Medicine the First Hospital of Tsinghua University Beijing Beijing China
10. Department of Critical Care Medicine People's Hospital of Guangxi Zhuang Autonomous Region Nanning Guangxi China