1. Division of Thoracic Surgery, Department of Surgery, Taichung Veterans General Hospital, Taichung 40705, Taiwan
2. Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
3. Department of Medical Research, Taichung Veterans General Hospital, Taichung 40705, Taiwan
4. Research Center for Biomedical Science and Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
5. Department of Public Health, Fu Jen Catholic University, New Taipei City 242062, Taiwan
6. Institute of Genomics and Bioinformatics, National Chung Hsing University, Taichung 40227, Taiwan
7. Division of Thoracic Surgery, Department of Surgery, Buddhist Tzu Chi General Hospital, Hualien 97004, Taiwan