1. Department of Internal Medicine, University of Tsukuba, Ibaraki, Japan;
2. Clinical Practice Guideline Committee for Sjögren’s Syndrome, The Research Team for Autoimmune Diseases, The Research Program for Intractable Disease of the Ministry of Health, Labor and Welfare (MHLW), Tokyo, Japan;
3. Division of Rheumatology, Department of Internal Medicine, Hyogo College of Medicine, Hyogo, Japan;
4. Section of Oral and Maxillofacial Oncology, Division of Maxillofacial Diagnostic and Surgical Sciences, Kyushu University, Fukuoka, Japan;
5. The First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Japan, Fukuoka, Japan;
6. Department of Clinical Immunology and Rheumatology, Hiroshima University Hospital, Hiroshima, Japan;
7. Unit of Translational Medicine, Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan;
8. Department of Ophthalmology, School of Medicine, Keio University, Tokyo, Japan;
9. Department of Pathology, Tsurumi University School of Dental Medicine, Kanagawa, Japan;
10. Department of Ophthalmology, Tokyo Women's Medical University, School of Medicine, Tokyo, Japan;
11. Department of Advanced Medicine for Rheumatic Diseases, Kyoto University Graduate School of Medicine, Kyoto, Japan;
12. Division of Rheumatology, Department of Internal Medicine, School of Medicine, Keio University, Tokyo, Japan;
13. Department of Rheumatology and Clinical Immunology, Kyoto University Graduate School of Medicine, Kyoto, Japan;
14. Department of Rheumatology, Kyoto-Katsura Hospital, Kyoto, Japan;
15. Division of Public Health, Department of Social Medicine, Saitama Medical University, Saitama, Japan;
16. Kurashiki Medical Center, Okayama, Japan;
17. Department of Otorhinolaryngology, Tokyo Women's Medical University, Tokyo, Japan;
18. Division of Rheumatology, Department of Cardiovascular and Internal Medicine, Kanazawa University Graduate School of Medicine, Ishikawa, Japan;
19. Department of Allergy and Rheumatology, Chiba Children’s Hospital, Chiba, Japan