1. Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
2. Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China
3. School of Nursing, Southern Medical University, Guangzhou, Guangdong, China
4. School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
5. The First School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, China