1. Department of Internal Medicine, Fukushima Red Cross Hospital
2. Department of Rheumatology, Hikarigaoka Spellman Hospital
3. Munakata Yasuhiko Clinic
4. Department of Rheumatology, Tsugaru General Hospital
5. Suminoya Rheumatism & Orthopedics Clinic
6. Department Orthopedic Surgery, Tohoku Rosai Hospital
7. Yoshida Orthopedic Surgery and Rheumatology Clinic
8. Center for Arthritis and Rheumatic Diseases, Tohoku Pharmaceutical University Hospital
9. Department of Advanced Medicine for Rheumatic Diseases, Graduate School of Medicine, Kyoto University
10. Department of Orthopedic Surgery, Tohoku Orthopedic Clinic
11. Department of Hematology and Rheumatology, Tohoku University Graduate School of Medicine
12. Nakazawa Sports Clinic
13. Department of Rheumatology, Aomori Prefectural Central Hospital
14. Department of Orthopedics, General Hanamaki Hospital
15. Department of Rheumatology, Ohta Nishinouchi Hospital
16. Komagamine Orthopedic and Rheumatology Clinic
17. Yu Family Clinic
18. Department of Internal Medicine, Ogachi Central Hospital
19. Department of Rheumatology and Department of Orthopedic Surgery, Hoshi General Hospital
20. Murai Clinic
21. Department of Orthopedic Surgery, Yamagata University Faculty of Medicine
22. Department of Orthopedic Surgery, Hirosaki Memorial Hospital
23. Department of Rheumatology, Kaiyama Central Hospital
24. Department of Cardiology, Pulmonology, and Nephrology, Yamagata University Faculty of Medicine
25. Department of Public Health and Hygiene/Nephrology and Collagen Disease
26. Department of Internal Medicine, Morioka National Hospital
27. Muryoi Clinic
28. Minami-Fukushima Clinic
29. NTT East Tohoku Hospital
30. Ogura Orthopedic Surgery Clinic
31. Department of Gastroenterology and Hematology, Hirosaki University Graduate School of Medicine
32. Department of Rheumatology and Collagen Disease, Fukushima Medical University Hospital
33. Department of Internal Medicine, Saiseikai Yamagata Hospital
34. Department of Internal Medicine, Yuri Kumiai General Hospital
35. Izumi Himawari Clinic
36. Department of Internal Medicine, Nihonkai General Hospital
37. Department of Orthopedic Surgery, Wakuya-Town National Health Insurance Hospital
38. Department of Orthopedic Surgery, Tohoku University Graduate School of Medicine