1. Department of Clinical Research, Innovation and Education Center, Tohoku University Hospital, Miyagi, Japan;
2. The First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Fukuoka, Japan;
3. Division of Advanced Preventive Medical Sciences, Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan;
4. Division of Hematology and Rheumatology, Tohoku University Graduate School of Medicine, Miyagi, Japan