[1] Fukushima Medical University School of Medicine,Department of Pulmonary Medicine
[2] Fukushima Medical University Hospital,Clinical Oncology Center
[3] National Hospital Organization Asahikawa Medical Center,Department of Respiratory Medicine
[4] Japan Community Health Care Organization Hokkaido Hospital,Center for Respiratory Disease
[5] National Hospital Organization Hokkaido Cancer Center,Department of Respiratory Medicine
[6] Hokkaido P. W. F. A. C. Obihiro-Kosei General Hospital,First Department of Medicine
[7] Hokkaido University School of Medicine,First Department of Medicine
[8] Hokkaido University Graduate School of Medicine,Department of Medical Oncology
[9] Saiseikai Fukushima General Hospital,Department of Pulmonary Medicine
[10] Hokkaido P. W. F. A. C. Sapporo-Kosei General Hospital,Department of Respiratory Medicine
[11] KKR Sapporo Medical Center,Department of Medical Oncology and Respiratory Medicine