[1] Peking Union Medical College Hospital,Department of Critical Care Medicine
[2] Chinese Academy of Medical Sciences,Department of Medical Administration
[3] National Health Commission of the People’s Republic of China,Department of Epidemiology and Biostatistics, Institute of Basic Medicine Sciences, Chinese Academy of Medical Sciences (CAMS) & School of Basic Medicine
[4] Peking Union Medical College,Department of Cardiology
[5] Peking Union Medical College Hospital,Department of General Surgery
[6] Chinese Academy of Medical Sciences,undefined
[7] Peking Union Medical College Hospital,undefined
[8] Chinese Academy of Medical Sciences,undefined