Ming-Hui Hung1, Hsao-Hsun Hsu1, Ya-Jung Cheng1, Jin-Shing Chen1. 1. 1 Department of Anesthesiology, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan ; 2 Graduate Institute of Clinical Medicine, National Taiwan University College of Medicine, Taipei, Taiwan ; 3 Division of Thoracic Surgery, 4 Division of Experimental Surgery, Department of Surgery, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan.