1 Department of Intensive Care Unit, The First Affiliated Hospital of USTC (Anhui Provincial Hospital), Division of Life Science and Medicine, University of Science and Technology of China, Hefei, Anhui Province 230001, China.
2 Department of Infectious Disease, The First Affiliated Hospital of USTC (Anhui Provincial Hospital), Division of Life Science and Medicine, University of Science and Technology of China, Hefei, Anhui Province 230001, China.
3 Department of Intensive Care Unit, The Provincial Hospital Affiliated to Anhui Medical University, Hefei, Anhui Province 230001, China.
4 Department of Intensive Care Unit, The First Affiliated Hospital of USTC (Anhui Provincial Hospital), Division of Life Science and Medicine, University of Science and Technology of China, Hefei, Anhui Province 230001, China; Department of Intensive Care Unit, The Provincial Hospital Affiliated to Anhui Medical University, Hefei, Anhui Province 230001, China. Electronic address: aijunpan868@sina.com.