1. The Third Affiliated Hospital of Xinxiang Medical University Xinxiang China
2. Department of Prosthodontics, State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, School of Stomatology The Fourth Military Medical University Xi'an China
3. Shanxi Medical University School and Hospital of Stomatology Taiyuan China
4. The Dental College of Georgia Augusta University Augusta Georgia USA
5. Institute of Electronic and Sensor Materials Freiberg Germany
6. Department of Stomatology, Tangdu Hospital; State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, School of Stomatology The Fourth Military Medical University Xi'an China