State Key Laboratory of Oral Diseases&National Clinical Research Center for Oral Diseases&West China Hospital of Stomatology Sichuan University Chengdu China;
Department of Gastroenterology West China Hospital Sichuan University Chengdu China;
State Key Laboratory of Oral Diseases&National Clinical Research Center for Oral Diseases&West China Hospital of Stomatology Sichuan University Chengdu China;
State Key Laboratory of Oral Diseases&National Clinical Research Center for Oral Diseases&West China Hospital of Stomatology Sichuan University Chengdu China;
State Key Laboratory of Oral Diseases&National Clinical Research Center for Oral Diseases&West China Hospital of Stomatology Sichuan University Chengdu China;
State Key Laboratory of Oral Diseases&National Clinical Research Center for Oral Diseases&West China Hospital of Stomatology Sichuan University Chengdu China;
State Key Laboratory of Oral Diseases&National Clinical Research Center for Oral Diseases&West China Hospital of Stomatology Sichuan University Chengdu China;
State Key Laboratory of Oral Diseases&National Clinical Research Center for Oral Diseases&West China Hospital of Stomatology Sichuan University Chengdu China;
State Key Laboratory of Oral Diseases&National Clinical Research Center for Oral Diseases&West China Hospital of Stomatology Sichuan University Chengdu China;
State Key Laboratory of Oral Diseases&National Clinical Research Center for Oral Diseases&West China Hospital of Stomatology Sichuan University Chengdu China;
State Key Laboratory of Oral Diseases&National Clinical Research Center for Oral Diseases&West China Hospital of Stomatology Sichuan University Chengdu China;