1. Department of Rheumatology National Hospital Organization Nagasaki Medical Center Omura Japan
2. Clinical Research Center National Hospital Organization Nagasaki Medical Center Omura Japan
3. Department of Dermatology National Hospital Organization Nagasaki Medical Center Nagasaki Japan
4. Department of General Internal Medicine National Hospital Organization Nagasaki Medical Center Omura Japan
5. Department of Pathology National Hospital Organization Nagasaki Medical Center Nagasaki Japan
6. Division of Advanced Preventive Medical Sciences Department of Immunology and Rheumatology Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan