1 Department of Critical Care Medicine, Beijing Shijitan Hospital, Capital Medical University, Beijing, China.
2 Department of Geriatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
3 Department of Critical Care Medicine, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China. zha01481@btch.edu.cn.
4 Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China. liush@shanghaitech.edu.cn.
5 Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, Shanghai, China. liush@shanghaitech.edu.cn.
6 Department of Respiratory and Critical Care Medicine, Beijing Shijitan Hospital, Capital Medical University, Beijing, China. xinyingxue2010@163.com.
7 Hospital of Weifang Medical University, Weifang, People's Republic of China. xinyingxue2010@163.com.