Affiliations

• ¹ Division of RA and Autoimmune Diseases, Nagahama City Hospital, Nagahama, Shiga, Japan.
• ² Division of Gastroenterology and Hepatology, The Third Department of Internal Medicine, Kansai Medical University, Osaka, Japan.
• ³ Division of Rheumatology, Department of Internal Medicine, Graduate School of Medical Science, Kanazawa University, Ishikawa, Japan.
• ⁴ Department of Clinical Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
• ⁵ Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan.