1. Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of Medicine Hokkaido University Sapporo Japan
2. Research Center for Global Agromedicine Obihiro University of Agriculture and Veterinary Medicine Japan
3. Department of Veterinary Medicine Obihiro University of Agriculture and Veterinary Medicine Japan
4. Department of Rheumatology and Clinical Immunology Sapporo Medical University Japan
5. Department of Pathology, Faculty of Medicine and Graduate School of Medicine Hokkaido University Sapporo Japan
6. Division of Laboratory and Transfusion Medicine Hokkaido University Hospital Sapporo Japan
7. Department of Medical Laboratory Science, Faculty of Health Sciences Hokkaido University Sapporo Japan