State Key Laboratory of Oral Diseases&National Clinical Research Center for Oral Diseases&Department of Cariology and Endodontics West China Hospital of Stomatology Sichuan University Chengdu China;
School of Dentistry University of California Los Angeles Los Angeles CA USA;
School of Dentistry University of California Los Angeles Los Angeles CA USA;
School of Dentistry University of California Los Angeles Los Angeles CA USA;
Molecular Biology Institute University of California Los Angeles Los Angeles CA USA;