Jiaxi He1,2, Hanyu Yang2,3, Jianxing He1,2, Shuben Li1,2. 1. Department of Thoracic Surgery, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120, China. 2. Guangzhou Institute of Respiratory Disease & China State Key Laboratory of Respiratory Disease, Guangzhou 510120, China. 3. Department of Anesthesiology, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120, China.