1. Department of Pulmonary Medicine and OncologyGraduate School of Medicine, Nippon Medical School Tokyo Japan
2. Department of Respiratory medicineSaitama Medical University International Medical Center Saitama Japan
3. Department of Pulmonary MedicineNippon Medical School Musashikosugi Hospital Kawasaki Japan
4. Department of Thoracic Oncology and Respiratory MedicineTokyo Metropolitan Cancer and Infectious disease Center Komagome Hospital Tokyo Japan
5. Department of Respiratory MedicineIshikawa Prefectural Central Hospital Kanazawa Japan
6. Department of Respiratory Medicine and Medical OncologyYokohama Municipal Citizen's Hospital Yokohama Japan
7. Department of Internal MedicineJizankai Medical Foundation Tsuboi Cancer Center Hospital Fukushima Japan
8. Department of Pulmonary MedicineNippon Medical School Chiba Hokuso Hospital Chiba Japan
9. Division of Pulmonary MedicineJichi Medical University Tochigi Japan