1. Department of Pulmonology; Yokohama City University Graduate School of Medicine; Yokohama Japan
2. Department of Pulmonology; Tohoku Rosai Hospital; Sendai Japan
3. Department of Infectious Diseases, Respiratory and Digestive Medicine, Faculty of Medicine; University of the Ryukyus; Okinawa Japan
4. Division of Pulmonary Medicine, Department of Medicine; Keio University School of Medicine; Tokyo Japan
5. Department of Respiratory Medicine; Japanese Red Cross Sendai Hospital; Sendai Japan
6. Department of Internal Medicine I; Kawasaki Medical School; Okayama Japan
7. National Hospital Organization Okinawa National Hospital; Okinawa Japan
8. Department of Respiratory Medicine; Saka General Hospital; Miyagi Japan
9. Department of Hemodialysis and Surgery, Chemotheraphy Research Institute; International University of Health and Welfare; Ichikawa Japan
10. Department of Molecular Microbiology and Immunology; Nagasaki University Graduate School of Biomedical Sciences; Nagasaki Japan