1. Department of Respiratory Medicine Kumamoto University Hospital Kumamoto Japan
2. Department of Respiratory Medicine Kitakyushu Municipal Medical Center Kitakyushu, Fukuoka Japan
3. Department of Medical Statistics Osaka City University Graduate School of Medicine Osaka Japan
4. Respiratory Center Matsusaka Municipal Hospital Matsusaka, Mie Japan
5. Department of Pulmonary Medicine Sendai Kousei Hospital Sendai, Miyagi Japan
6. Internal Medicine III Wakayama Medical University Wakayama Japan
7. Department of Respiratory Medicine Juntendo University Tokyo Japan
8. Research Institute for Diseases of the Chest Graduate School of Medical Sciences Kyushu University Fukuoka Japan
9. Department of Medical Oncology Faculty of Medicine Kindai University Osaka‐Sayama, Osaka Japan
10. Thoracic Oncology Osaka International Cancer Institute Osaka Japan
11. Department of Respiratory Medicine Kanagawa Cardiovascular and Respiratory Center Yokohama, Kanagawa Japan
12. Department of Internal Medicine Niigata Cancer Center Hospital Niigata Japan
13. Division of Thoracic Oncology Shizuoka Cancer Center Shizuoka Japan
14. Department of Thoracic Oncology Kansai Medical University Hospital Hirakata, Osaka Japan
15. Department of Medical Oncology Kobe Minimally Invasive Cancer Center Kobe, Hyogo Japan