1. School of StomatologyFourth Military Medical UniversityXi'anChina
2. Guanghua School of Stomatology, Sun Yat‐sen UniversityGuangzhouChina
3. Georgia Health Sciences UniversityAugustaGeorgiaUSA
4. Faculty of DentistryUniversity of Hong KongHong KongChina
5. Department of Mechanical EngineeringUniversity of MarylandBaltimoreMarylandUSA
6. Tongji Hospital, Huazhong University of Science and TechnologyWuhanChina
7. Biomaterials Research GroupBandeirante University of São PauloSão PauloBrazil
8. University of TexasHealth Science Center at San AntonioSan AntonioTexasUSA