1. Department of Analytic Human Pathology; Nippon Medical School; Tokyo Japan
2. Department of Respiratory Medicine; Japanese Red Cross Medical Center; Tokyo Japan
3. Health Administration Center; University of Toyama; Toyama Japan
4. Division of Clinical Pathology; NHO Tokyo National Hospital; Tokyo Japan
5. Department of Respirology; Graduate School of Medicine; Chiba University; Chiba Japan
6. Department of Respiratory Medicine; National Center for Global Health and Medicine; Tokyo Japan
7. Department of Radiology; Nishigunma National Hospital; Shibukawa Japan
8. Department of Respiratory Medicine; Kurashiki Central Hospital; Kurashiki Japan
9. Department of Respiratory Medicine; Kobe City Medical Center General Hospital; Kobe Japan
10. Department of Respiratory Medicine; St. Marianna University School of Medicine, Yokohama City Seibu Hospital; Yokohama Japan
11. Department of Respiratory Medicine; National Hospital Organization Okinawa National Hospital; Ginowan, Okinawa Japan
12. Department of Respiratory Medicine; National Hospital Organization Himeji Medical Center; Hyogo Japan
13. Department of Respiratory Medicine; Toho University Medical Center-Sakura Hospital; Chiba Japan
14. Department of Molecular Regulation for Intractable Diseases; Institute of Medical Science, Tokyo Medical University; Osaka Japan
15. Osaka Rheumatology Clinic; Osaka Japan
16. Department of Respiratory Medicine; University of Occupational and Environmental Health; Kitakyushu Japan
17. Department of Respiratory Medicine; Nara Medical University; Nara Japan
18. Department of Respiratory Medicine; Jichi Medical University; Shimotsuke Tochigi Japan
19. Division of Diagnostic Pathology; Saitama Prefectural Cardiovascular and Respiratory Center; Saitama Japan
20. Division of Respiratory Medicine; Kanagawa Cardiovascular and Respiratory Center; Yokohama Japan