1. Unit of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan;
2. Medical Education Development Center, Nagasaki University Hospital, Nagasaki, Japan;
3. Center for Bioinformatics and Molecular Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan;
4. Center for Comprehensive Community Care Education, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan;
5. Department of Rheumatology, Clinical Research Center, National Hospital Organization Nagasaki Medical Center, Omura, Japan;
6. Departments of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan;
7. Department of Rehabilitation Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan;
8. Department of Rheumatology, Sasebo Chuo Hospital, Sasebo, Japan;
9. The Japanese Red Cross Nagasaki Genbaku Hospital, Nagasaki, Japan;
10. Japan Community Health Care Organization Isahaya General Hospital, Isahaya, Japan;
11. Nagasaki Medical Hospital of Rheumatology, Nagasaki, Japan