1. Department of Pulmonary and Critical Care Medicine, Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan Province, China
2. Department of Pulmonary and Critical Care Medicine, Cheng Du Qing Cheng Mt. Hospital, Chongzhou City, Chengdu, Sichuan Province, China
3. Department of Nephrology, Sichuan Academy of Medical Science and Sichuan Provincial People’s Hospital, Sichuan Renal Disease Clinical Research Center, University of Electronic Science and Technology of China, Chengdu, Sichuan Province, China
4. Department of Critical Care Medicine, Wenjiang District People’s Hospital, Chengdu, Sichuan Province, China
5. Department of Respiratory and Critical Care Medicine, Jiange County People’s Hospital, Guangyuan, Sichuan Province, China