[1] Peking Union Med Collage Hosp, Med Intens Care Unit, 1 Shuai Fu Yuan, Beijing 100730, Peoples R China
[2] Capital Med Univ, Dept Crit Care Med, Fuxing Hosp, Beijing, Peoples R China
[3] Peoples Liberat Army, Dept Emergency & Crit Care Med, Hosp 309, Beijing, Peoples R China
[4] Southeast Univ, Dept Emergency & Crit Care Med, Zhongda Hosp, Nanjing, Jiangsu, Peoples R China
[5] Haerbin Med Univ, Dept Crit Care Med, Hosp 3, Haerbin, Heilongjiang, Peoples R China
[6] Shanghai Jiao Tong Univ, Dept Crit Care Med, RuiJin Hosp, Sch Med, Shanghai, Peoples R China
[7] Kunming Med Univ, Dept Emergency & Crit Care Med, Hosp 1, Kunming, Yunnan, Peoples R China
[8] Zhejiang Univ, Dept Crit Care Med, Hosp 1, Hangzhou, Zhejiang, Peoples R China
[9] Jilin Univ, Dept Crit Care Med, Hosp 1, Changchun, Jilin, Peoples R China
[10] Xinjiang Med Univ, Dept Crit Care Med, Hosp 1, Urumqi, Xinjiang, Peoples R China
[11] Tsinghua Univ, Dept Crit Care Med, Beijing Tsinghua Changgung Hosp, Beijing, Peoples R China