1 Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
2 College of Stomatology, Chongqing Medical University, Chongqing, 401147, P.R. China.
3 College of Stomatology, Chongqing Medical University, Chongqing, 401147, P.R. China. soongjl@163.com.
4 Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China. lily-c1030@163.com.