1. Chiba University Hospital Department of Allergy and Clinical Immunology, , Chiba, Chiba, Japan
2. Yokohama Rosai Hospital Department of Rheumatology, , Yokohama, Kanagawa, Japan
3. Japanese Red Cross Narita Hospital Allergy and Clinical Immunology Center, , Narita, Chiba, Japan
4. International University of Health and Welfare Narita Hospital Department of Allergy and Rheumatology, , Narita, Chiba, Japan
5. Dokkyo Medical University Department of Rheumatology, , Shimotsuga, Tochigi, Japan
6. Asahi General Hospital Research Center for Allergy and Clinical Immunology, , Asahi, Chiba, Japan
7. Chiba Aoba Municipal Hospital Department of Internal Medicine, , Chiba, Chiba, Japan
8. University of Yamanashi Department of Rheumatology, , Chuo, Yamanashi, Japan
9. National Hospital Organization Chibahigashi National Hospital Center of Rheumatology, Allergy & Clinical Immunology, , Chiba, Chiba, Japan
10. National Hospital Organization Department of Rheumatology, Shimoshizu Hospital, , Yotsukaido, Chiba, Japan
11. Nagasaki University Graduate School of Biomedical Sciences Department of Immunology and Rheumatology, Division of Advanced Preventive Medical Sciences, , Nagasaki, Nagasaki, Japan
12. Chiba Rosai Hospital Department of Allergy and Rheumatology, , Ichihara, Chiba, Japan
13. Matsudo City General Hospital Rheumatology center, , Matsudo, Chiba, Japan