1. Department of Biomaterials University of Oslo Oslo Norway
2. Department of Structural Engineering, Faculty of Engineering Norwegian University of Science and Technology (NTNU) Trondheim Norway
3. Axial Vita AS Oslo Norway
4. Oral Research Laboratory, Institute for Clinical Dentistry University of Oslo Oslo Norway
5. Department of Clinical and Molecular Medicine NTNU Trondheim Norway
6. Department of Endocrinology, Clinic of Medicine, St. Olavs Hospital Trondheim University Hospital Trondheim Norway