1. The Second School of Clinical Medicine, Southern Medical University, Guangzhou, People's Republic of China;
2. Department of Critical Care Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China;
3. Shantou University Medical College, Shantou, People's Republic of China;
4. Department of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China;
5. Department of Critical Care Medicine, Xiaolan Hospital of Southern Medical University, Zhongshan, People’s Republic of China;
6. Department of Critical Care Medicine, Guangzhou Nansha Central Hospital, Nansha, People’s Republic of China;
7. Department of Clinical Laboratory, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China;
8. Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Key Laboratory of Coronary Disease, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China;
9. National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, P.R. China