[1] Okayama Univ, Grad Sch Med, Okayama 7008530, Japan
[2] Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Oral Rehabil & Regenerat Med, Okayama 7008530, Japan
[3] Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Okayama 7008530, Japan
[4] Osteopharma Inc, Osaka, Japan
[5] Univ Wurzburg, Theodor Boveri Inst, Bioctr, Wurzburg, Germany