1. Health Administration Center; University of Toyama; Toyama
2. Division of Clinical Pathology; NHO Tokyo National Hospital; Tokyo
3. Department of Radiology; Saitama International Medical Center; Saitama Medical University; Saitama
4. First Department of Internal Medicine; Shinshu University School of Medicine; Nagano
5. Department of Analytic Human Pathology; Nippon Medical School; Tokyo
6. Department of Radiology; St. Marianna University School of Medicine; Kanagawa
7. Department of Respiratory Medicine; Kanazawa University School of Medicine; Ishikawa
8. Department of Respiratory Medicine; NHO Himeji Medical Center; Hyogo
9. Department of Internal Medicine; Osaka City General Hospital; Osaka
10. Department of Pulmonary Medicine; Graduate School of Medical and Dental Sciences; Kagoshima University; Kagoshima
11. Department of Internal Medicine; Kawaguchi Municipal Medical Center; Saitama
12. Department of Medicine and Biological Science; Gunma University Graduate School of Medicine; Gunma
13. Department of Respiratory Medicine; Toho University Omori Medical Center; Tokyo
14. Department of Respiratory Medicine and Rheumatology; The University of Tokushima Graduate School; Tokushima; Japan
15. Division of Respiratory Medicine; National Defense Medical College; Saitama
16. Department of Respiratory Disease; Saitama Medical University; Saitama
17. Department of Integrated Pulmonology; Tokyo Medical and Dental University; Tokyo
18. Division of Diagnostic Pathology; Saitama Prefectural Cardiovascular and Respiratory Center; Saitama
19. Division of Respiratory Medicine; Kanagawa Prefectural Cardiovascular and Respiratory Center; Kanagawa