1. Osaka Police Hospital, Osaka, Japan;
2. Department of Pathology, Sendai Open Hospital, Miyagi, Japan;
3. Department of Orthopedics, Iwate Medical University, Iwate, Japan;
4. Department of Anatomic Pathology, Hirosaki University, Aomori, Japan;
5. Department of Medical Science and Welfare, Tohoku Bunka Gakuen University, Miyagi, Japan;
6. Department of Orthopedic Surgery, Osaka University, Graduate School of Medicine, Osaka, Japan;
7. Department of Orthopedics and Rheumatology, Osaka Rosai Hospital, Osaka, Japan;
8. Department of Orthopedic Surgery, Tokyo Dental College Ichikawa General Hospital, Chiba, Japan;
9. Department of Rheumatology, Nobuhara Hospital, Hyogo, Japan;
10. RILITE Research Institute, Charlottesville, VA, USA