Affiliation: | (1) Department of Orthopaedic Surgery, Hamamatsu Medical Center, 328 Tomizuka-cho, Naka-ku, Hamamatsu Shizuoka, 432-8580, Japan;(2) Konan Kosei Spine Center, Konan, Aichi, Japan;(3) Department of Orthopaedic Surgery, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan;(4) Department of Orthopaedic Surgery, Hamamtsu University School of Medicine, Hamamtsu, Shizuoka, Japan |