[1] Harvard Univ, Sch Med, MassGen Hosp Children, Dept Orthopaed Surg, Boston, MA USA
[2] Harvard Univ, Sch Med, Pediat Orthopaed Lab Tissue Engn & Regenerat Med, Boston, MA USA
[3] Sichuan Univ, West China Hosp Stomatol, State Key Lab Oral Dis, Chengdu 610041, Peoples R China
[4] Tongji Univ, Shanghai Peoples Hosp 10, Sch Med, Dept Stomatol, Shanghai 200092, Peoples R China