1 Department of Immunology and Rheumatology, Division of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Medical Sciences, Nagasaki.
2 Department of Immunology and Rheumatology, Division of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Medical Sciences, Nagasaki; [email protected].
3 Department of Rheumatology, Japan Community Healthcare Organization (JCHO) Isahaya General Hospital, Isahaya.
4 Department of Rheumatology, Sasebo City General Hospital, Sasebo, Nagasaki, Japan.