1. Department of Thoracic Oncology and Respiratory Medicine, Tokyo Metropolitan Cancer and Infectious Disease Center Komagome Hospital, Tokyo 113‑0021, Japan
2. Kitasato University School of Nursing, Kanagawa 252‑0329, Japan
3. School of Allied Health Sciences, Kitasato University, Kanagawa 252‑0373, Japan
4. Department of Respiratory Medicine, Kitasato University School of Medicine, Kanagawa 252‑0374, Japan
5. Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo 160‑8582, Japan
6. Department of Thoracic Oncology and Medicine, National Hospital Organization Shikoku Cancer Center, Ehime 791‑0280, Japan
7. Respiratory Disease Center, International University of Health and Welfare, Mita Hospital, Tokyo 108‑8329, Japan
8. Department of Respiratory Medicine, Fujisawa City Hospital, Kanagawa 251‑8550, Japan
9. Department of Respiratory Medicine, Gunma Prefectural Cancer Center, Gunma 373‑8550, Japan
10. Department of Medical Oncology, Graduate School of Medicine, Chiba University, Chiba 260‑8670, Japan
11. Division of Medical Oncology, Department of Internal Medicine, Teikyo University School of Medicine, Tokyo 173‑8606, Japan
12. Department of Thoracic Oncology, Kanagawa Cancer Center, Kanagawa 241‑8515, Japan
13. Department of Thoracic Oncology, National Hospital Organization Kyushu Cancer Center, Fukuoka 811‑1395, Japan
14. Department of Respiratory Medicine, Yokohama Municipal Citizen's Hospital, Kanagawa 240‑8555, Japan