[1] Univ Illinois, Coll Dent, Ctr Mol Biol Oral Dis, Chicago, IL 60612 USA
[2] Sun Yat Sen Univ, Guanghua Sch, Guangzhou 510275, Guangdong, Peoples R China
[3] Sun Yat Sen Univ, Res Inst Stomatol, Guangzhou 510275, Guangdong, Peoples R China
[4] Sun Yat Sen Univ, Dept Oral & Maxillofacial Surg, Affiliated Hosp 1, Guangzhou 510275, Guangdong, Peoples R China
[5] Univ Illinois, Sch Publ Hlth, Div Epidemiol & Biostat, Chicago, IL 60612 USA
[6] Univ Illinois, UIC Canc Ctr, Grad Coll, Chicago, IL 60612 USA