1. Department of Immunology and Rheumatology, Unit of Advanced Preventive Medical Sciences, Division of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
2. Department of Nephrology, Nagasaki University Hospital, Nagasaki, Japan
3. Clinical Research Center, Nagasaki University Hospital, Nagasaki, Japan
4. Department of Rheumatology, Japan Community Health care Organization Isahaya General Hospital, Isahaya, Japan
5. Department of Rheumatology, Clinical Research Center, National Hospital Organization Nagasaki Medical Center, Omura, Japan
6. Nagasaki Medical Hospital of Rheumatology, Nagasaki, Japan
7. Department of Internal Medicine, Sasebo City General Hospital, Sasebo, Japan
8. Department of Rehabilitation Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan