1. Department of Critical Care Medicine, Guangzhou School of Clinical Medicine, Southern Medical University (Guangzhou General Hospital of Guangzhou Military Region), Guangzhou, Guangdong, China (mainland)
2. Department of Critical Care Medicine, Shenzhen People’s Hospital/Second Clinical Medical College of Jinan University, Shenzhen, Guangdong, China (mainland)
3. Department of Cardiovascular Disease, Southern Affiliated Hospital, Southern Medical University, Guangzhou, Guangdong, China (mainland)