1. Department of Clinical Investigation National Hospital Organization Kochi Hospital Kochi Japan
2. Department of Respiratory Medicine Japanese Red Cross Kochi Hospital Kochi Japan
3. Department of Respiratory Medicine and Rheumatology Tokushima University Graduate School of Biomedical Sciences Tokushima Japan
4. Department of Internal Medicine Japan Agricultural Cooperatives Kochi Hospital Nankoku Japan
5. Medical Office Kobe Kyodo Hospital Kobe Japan
6. Department of Diagnostic Pathology Japanese Red Cross Kochi Hospital Kochi Japan