[1] Hokkaido University School of Medicine,First Department of Medicine
[2] Hokkaido University Graduate School of Medicine,Department of Medical Oncology
[3] National Hospital Organization Hokkaido Cancer Center,Department of Respiratory Medicine
[4] Sapporo City General Hospital,Department of Respiratory Disease
[5] Fukushima Medical University,Department of Pulmonary Medicine
[6] KKR Sapporo Medical Center,Department of Medical Oncology
[7] Hokkaido Lung Cancer Clinical Research Group,undefined