1. Department of Respiratory Medicine, Uji-Tokushukai Medical Center , Uji , Japan
2. Department of Respiratory Medicine, Japanese Red Cross Kyoto Daini Hospital , Kyoto , Japan
3. Department of Respiratory Medicine, Fujita Health University School of Medicine , Toyoake , Japan
4. Division of Thoracic Oncology, Tochigi Cancer Center , Utsunomiya , Japan
5. Department of Respiratory Medicine, Kitakyushu Municipal Medical Center , Kitakyushu , Japan
6. Department of Respiratory Medicine, Fukuoka University Hospital , Fukuoka , Japan
7. Department of Pulmonary Medicine, Kyoto Prefectural University of Medicine , Kyoto , Japan
8. Department of Respiratory Medicine, Shonan Fujisawa Tokushukai Hospital , Fujisawa , Japan
9. Department of Respiratory Medicine, Nagasaki University Hospital , Nagasaki , Japan
10. Department of Respiratory Medicine, Asahi General Hospital , Asahi , Japan
11. Department of Pulmonary Medicine, Matsushita Memorial Hospital , Moriguchi , Japan
12. Department of Respiratory Medicine, Otsu City Hospital , Otsu , Japan
13. Department of Respiratory Medicine, Hiroshima University Hospital , Hiroshima , Japan
14. Department of Pulmonary Medicine, Kyoto Chubu Medical Center , Nantan , Japan
15. Department of Respiratory Medicine, National Hospital Organization Nagasaki Medical Center , Omura , Japan
16. Division of Medical Oncology, Department of Internal Medicine, Teikyo University School of Medicine , Tokyo , Japan
17. Division of Respiratory Medicine, Gunma Prefectural Cancer Center , Ota , Japan
18. Division of Respiratory Medicine, National Hospital Organization Kyoto Medical Center , Kyoto , Japan
19. Department of Respiratory Medicine, National Hospital Organization Omuta National Hospital , Omuta , Japan
20. Department of Statistics and Data Center, Clinical Research Support Center Kyushu , Fukuoka , Japan
21. Center for Clinical and Translational Research, Kyushu University Hospital , Fukuoka , Japan