1. Department of Hematology, Oncology, and Respiratory Medicine Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences Okayama Japan
2. Department of Allergy and Respiratory Medicine Okayama University Hospital Okayama Japan
3. Department of Thoracic Oncology National Hospital Organization Shikoku Cancer Center Matsuyama Japan
4. Department of Respiratory Medicine Ehime Prefectural Central Hospital Matsuyama Japan
5. Department of Respiratory Medicine National Hospital Organization Okayama Medical Center Okayama Japan
6. Department of Respiratory Medicine Japanese Red Cross Okayama Hospital Okayama Japan
7. Department of Respiratory Medicine Himeji Red Cross Hospital Himeji Japan
8. Department of Internal Medicine Okayama Saiseikai General Hospital Okayama Japan
9. Department of General Internal Medicine 4 Kawasaki Medical School Okayama Japan
10. Department of Internal Medicine Fukuyama City Hospital Fukuyama Japan
11. Center for Innovative Clinical Medicine Okayama University Hospital Okayama Japan