Affiliation: | 1. Department of Critical Care Medicine, Zibo Central Hospital, Zibo, 255000, Shandong Province, China;2. Department of Anesthesiology, Zibo Central Hospital, Zibo, 255000, Shandong Province, China;3. Department of Critical Care Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan Province, China |