1. School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, No. 155, Sec. 2, Linong Street, Beitou District, Taipei City 112, Taiwan
2. Department of Heavy Particles and Radiation Oncology, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, Taipei City 112, Taiwan
3. Thoracic Surgery Group, Clinical Research Center, Department of Surgery, Changhua Christian Hospital, 135 Nanhsiao Street, Changhua City 500, Taiwan
4. Department of Emergency and Critical Care Medicine, Changhua Christian Hospital, 135 Nanhsiao Street, Changhua City 500, Taiwan
5. Post-Baccalaureate Medical School, National Chung Hsing University, 145 Xingda Rd., South District, Taichung City 402, Taiwan