1. Cardiovascular Division, Chang Gung Memorial Hospital, Tao-Yuan 333, Taiwan
2. Department of Respiratory Therapy, Chang Gung University College of Medicine, Chang-Gung University, Tao-Yuan 33353, Taiwan
3. Department of Respiratory Care, Chang-Gung University of Science and Technology, Chia-Yi 61363, Taiwan
4. Department of Pathology, National Taiwan University Cancer Center and National Taiwan University College of Medicine, Taipei 106328, Taiwan
5. Graduate Institute of Clinical Medical Sciences, Chang Gung University College of Medicine, Tao-Yuan 33353, Taiwan
6. Division of Thoracic Surgery, Department of Surgery, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei 10002, Taiwan