1. Biostatistics Medical Research Collaboration Center; Kyungpook National University Hospital and Kyungpook National University School of Medicine; Daegu South Korea
2. Department of Internal Medicine, School of Medicine; Kyungpook National University; Daegu South Korea
3. Lung Cancer Center; Kyungpook National University Medical Center; Daegu South Korea
4. Department of Biochemistry and Cell Biology, School of Medicine; Kyungpook National University; Daegu South Korea
5. Department of Thoracic Surgery, School of Medicine; Kyungpook National University; Daegu South Korea
6. Diagnosis and Prediction Biotechnology; School of Medicine, Kyungpook National University; Daegu South Korea
7. Department of Thoracic and Cardiovascular Surgery; Seoul National University School of Medicine; Seoul South Korea
8. Department of Internal Medicine; Chonnam National University Hwasun Hospital; Hwasun South Korea
9. Department of Thoracic and Cardiovascular Surgery; Chonnam National University Hwasun Hospital; Hwasun South Korea
10. Department of Internal Medicine; Keimyung University School of Medicine; Daegu South Korea
11. Department of Internal Medicine; Catholic University of Daegu College of Medicine; Daegu South Korea
12. Department of Thoracic and Cardiovascular Surgery; Keimyung University School of Medicine; Daegu South Korea
13. Department of Internal Medicine; Pusan National University School of Medicine; Busan South Korea