1. Department of Anesthesiology, West China Hospital of Sichuan University, Chengdu 610041, China
2. Department of Intensive Care Unit, West China Hospital of Sichuan University, Chengdu 610041, China
3. Department of Respiratory Medicine, The People’s Hospital of Pujiang County, Sichuan 611630, China
4. Department of Nephrology, The People’s Hospital of Pujiang County, Sichuan 611630, China