[1] Sichuan Univ, West China Hosp Stomatol, State Key Lab Oral Dis, Chengdu 610041, Peoples R China
[2] Sichuan Univ, West China Hosp Stomatol, Natl Clin Res Ctr Oral Dis, Chengdu 610041, Peoples R China
[3] Sichuan Univ, West China Hosp Stomatol, Natl Engn Lab Oral Regenerat Med, Chengdu 610041, Peoples R China
[4] Sichuan Univ, West China Hosp Stomatol, Dept Periodont, Chengdu 610041, Peoples R China
[5] Sichuan Univ, West China Hosp Stomatol, Dept Oral & Maxillofacial Surg, Chengdu 610041, Peoples R China