1. Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China.
2. Department of Pathophysiology, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.
3. Department of Anesthesiology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China.
4. The First School of Clinical Medicine, Southern Medical University, Guangzhou, China.
5. Department of Anesthesiology, The Affiliated Hospital of Guizhou Medical University, Guiyang, People’s Republic of China.
6. Department of Anesthesiology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China.