[1] Japanese Red Cross Nagoya Daiichi Hosp, Dept Orthoped Surg, Nagoya, Aichi, Japan
[2] Nagoya Univ, Grad Sch Med, Dept Orthoped Surg & Rheumatol, Nagoya, Aichi, Japan
[3] Japan Community Healthcare Org Kani Tono Hosp, Dept Orthoped Surg, Kani, Gifu, Japan
[4] Yokkaichi Municipal Hosp, Dept Orthoped Surg, Yokaichi, Mie, Japan
[5] Kariya Toyota Gen Hosp, Dept Orthoped Surg, Kariya, Aichi, Japan
[6] Nagoya Univ, Sch Med, Dept Orthoped Surg, 65 Tsurumai, Showa, Nagoya, Aichi 4668550, Japan