[1] Kyoto Univ, Inst Frontier Med Sci, Dept Mol Interact & Tissue Engn, Sakyo Ku, Kyoto 6068507, Japan
[2] Mitsubishi Chem Corp, Res Ctr, Kanagawa, Japan
[3] Niigata Univ, Sch Med, Dept Orthopaed Surg, Niigata 95021, Japan
[4] Niigata Univ, Brain Res Inst, Dept Pathol, Niigata 95021, Japan