1. Department of Internal Medicine Japanese Red Cross Kochi Hospital Kochi Japan
2. Department of Allergology and Respiratory Medicine Kochi Medical School, Kochi University Nankoku Japan
3. Department of Clinical Investigation National Hospital Organization Kochi Hospital Kochi Japan
4. Department of Surgery Japanese Red Cross Kochi Hospital Kochi Japan
5. Department of Radiology Japanese Red Cross Kochi Hospital Kochi Japan
6. Department of Diagnostic Pathology Japanese Red Cross Kochi Hospital Kochi Japan
7. Department of Respiratory Medicine and Rheumatology Graduate School of Biomedical Sciences, Tokushima University Tokushima Japan
8. Department of Internal Medicine Tosa Municipal Hospital Tosa Japan
9. Department of Community Medicine for Respirology, Graduate School of Biomedical Sciences Tokushima University Tokushima Japan