[1] Keio Univ, Dept Orthoped, Tokyo, Japan
[2] Keio Univ, Dept Physiol, Tokyo, Japan
[3] Keio Univ, Dept Radiol, Tokyo, Japan
[4] Keio Univ, Sch Med, Ctr Integrated Med Res, Tokyo, Japan
[5] Fujita Hlth Univ, Sch Hlth Sci, Fac Radiol Technol, Aichi, Japan
[6] Cent Inst Expt Anim, Kanagawa, Japan
[7] Ichikawa Gen Hosp, Dept Orthoped, Tokyo Dent Coll, Chiba, Japan