1 Department of Critical Care Medicine, Xiangya Hospital, Central South University, No. 87 Xiangya Road, Changsha, 410008, Hunan Province, China.
2 Department of Critical Care Medicine, Peking Union Medical College Hospital, Tsinghua University, No.1 Shuaifuyuan, Wangfujing, Dongcheng District, 100730, Beijing, China. [email protected].
3 Department of Critical Care Medicine, Xiangya Hospital, Central South University, No. 87 Xiangya Road, Changsha, 410008, Hunan Province, China. [email protected].