1. Division of Thoracic Surgery, Department of Surgery, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan
2. School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
3. Institute of BioPharmaceutical Sciences, National Sun Yat-Sen University, Kaohsiung 804, Taiwan
4. Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung 807, Taiwan
5. Division of Trauma, Department of Emergency, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan
6. Department of Surgery, Kaohsiung Veterans General Hospital Pingtung Branch, Pingtung 900, Taiwan
7. Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan