1. Division of Thoracic Surgery, Department of Surgery Chung Shan Medical University Hospital Taichung Taiwan, Republic of China
2. Institute of Medicine Chung Shan Medical University Taichung Taiwan, Republic of China
3. Department of Pathology Chung Shan Medical University Hospital Taichung Taiwan, Republic of China
4. School of Medicine Chung Shan Medical University Taichung Taiwan, Republic of China