1. Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University; The Third Clinical College of Fujian Medical University; Key Clinical Specialty of Fujian Province, Fujian, China
2. Department of Anesthesia, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University; The Third Clinical College of Fujian Medical University, Fujian, China.