1 National Hospital Organization Nagoya Medical Center, Orthopaedic Surgery and Rheumatology, 4-1-1 Sannomaru, Naka-ku, Nagoya, 460-000, Japan. Electronic address: hattori2002@gmail.com.
2 National Hospital Organization Nagoya Medical Center, Orthopaedic Surgery and Rheumatology, 4-1-1 Sannomaru, Naka-ku, Nagoya, 460-000, Japan.