[1] Shanghai Jiao Tong Univ, Peoples Hosp 9, Dept Oral Mucosal Dis, Sch Med, 639 Zhizaoju Rd, Shanghai 200011, Peoples R China
[2] Natl Clin Res Ctr Stomatol, Shanghai Key Lab Stomatol, Shanghai, Peoples R China
[3] Natl Clin Res Ctr Stomatol, Shanghai Res Inst Stomotol, Shanghai, Peoples R China
[4] Nanjing Med Univ, Jiangsu Key Lab Oral Dis, Nanjing, Jiangsu, Peoples R China
[5] Nanjing Med Univ, Affiliated Hosp Stomatol, Dept Oral Med, 136 Hanzhong Rd, Nanjing 210029, Jiangsu, Peoples R China
[6] Fudan Univ, Shanghai Stomatol Hosp, Dept Oral Med, Shanghai, Peoples R China