[1] Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Biochem & Mol Dent, Okayama 7008530, Japan
[2] Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Oral & Maxillofacial Reconstruct Surg, Okayama 7008530, Japan
[3] Univ Calif Los Angeles, David Geffen Sch Med, Dept Orthopaed Surg, Los Angeles, CA 90095 USA