1. School/Hospital of Stomatology Lanzhou University Lanzhou P.R.China
2. Department of Clinical Dentistry, Faculty of Medicine University of Bergen Bergen Norway
3. Oral Health Centre of Expertise in Western Norway Bergen Norway
4. The Forsyth Institute Cambridge Massachusetts USA
5. Harvard University, School of Dental Medicine Boston Massachusetts USA
6. Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing Lanzhou University Lanzhou P.R. China
7. RNA and Molecular Pathology Research Group Institute of Medical Biology Faculty of Health Sciences UiT The Arctic University of Norway Tromsø Norway