[1] Chongqing Med Univ, Stomatol Hosp, Chongqing, Peoples R China
[2] Chongqing Key Lab Oral Dis & Biomed Sci, Chongqing, Peoples R China
[3] Chongqing Municipal Key Lab Oral Biomed Engn High, Chongqing, Peoples R China
[4] Wake Forest Univ, Bowman Gray Sch Med, Inst Regenerat Med, Winston Salem, NC USA