1. Department of Orthopedic Surgery, Konan Kosei Hospital, Aichi, Japan
2. Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
3. Department of Orthopedic Surgery and Rheumatology, Nagoya Medical Center, Nagoya, Japan
4. Department of Rheumatology, Toyohashi Municipal Hospital, Toyohashi, Japan
5. Department of Orthopedic Surgery, Kariya-Toyota General Hospital, Kariya, Japan
6. Department of Rheumatology, JCHO Tokyo Shinjuku Medical Center, Tokyo, Japan
7. Department of Orthopedic Surgery, Anjo Kosei Hospital, Anjo, Japan
8. Department of Orthopedic Surgery, Shizuoka Kosei Hospital, Shizuoka, Japan
9. Department of Orthopedic Surgery, Ichinomiya Municipal Hospital, Ichinomiya, Japan