| Affiliation: | 1. Division of Endodontics, Department of Oral Biological and Medical Sciences, Faculty of Dentistry, The University of British Columbia, , Vancouver, BC, Canada;2. Department of Materials Engineering, The University of British Columbia, , Vancouver, BC, Canada;3. Center for Biomedical Materials and Engineering, College of Material Science and Chemical Engineering, Harbin Engineering University, , Harbin, China;4. Department of Stomatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, , Wuhan, China |
