[1] Shanghai Jiao Tong Univ, Dept Orthodont, Peoples Hosp 9, Sch Med, Shanghai, Peoples R China
[2] Tongji Univ, Dept Orthodont, Sch & Hosp Stomatol, Shanghai Engn Res Ctr Tooth Restorat & Regenerat, Shanghai, Peoples R China
[3] Shanghai Jiao Tong Univ, Shanghai Municipal Commiss Hlth & Family Planning, Dept Oral & Craniomaxillofacial Sci,Sch Med, Peoples Hosp 9,Top Prior Clin Med Ctr,Ctr Craniof, Shanghai, Peoples R China