1. Department of Rheumatology, Japan Community Health care Organization (JCHO), Isahaya General Hospital, Japan
2. Department of Rheumatology, NHO National Nagasaki Medical Center, Japan
3. Department of Rheumatology, Unit of Translational Medicine, Graduate School of Biomedical Sciences, Nagasaki University, Japan
4. Department of Internal Medicine, Sasebo Municipal Hospital, Japan