1. State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology Wuhan University Wuhan China
2. Taikang Center for Life and Medical Sciences Wuhan University Wuhan China
3. School of Medicine Medical Research Institute, Wuhan University Wuhan China
4. Department of Periodontology University of Bern Bern Switzerland
5. State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics, Chinese Academy of Sciences Shanghai China