1. Department of Thoracic Oncology, National Cancer Center Hospital, Tokyo, Japan
2. Department of Pulmonary Medicine and Oncology, Graduate School of Medicine, Nippon Medical School, Tokyo, Japan
3. Department of Biostatistics, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi, Japan
4. Department of Thoracic Oncology and Respiratory Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan
5. Department of Pulmonary Medicine, Sendai Kousei Hospital, Sendai, Japan
6. Division of Respiratory Medicine and Rheumatology, Department of Multidisciplinary Internal Medicine, Tottori University Faculty of Medicine, Yonago, Tottori, Japan
7. Division of Respiratory Diseases, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
8. Division of Thoracic Oncology, Kanagawa Cancer Center, Yokohama, Japan
9. National Hospital Organization Kinki-Chuo Chest Medical Center, Osaka, Japan
10. National Hospital Organization Ibarakihigashi National Hospital, Tokai-mura, Naka-gun, Ibaraki, Japan