1. Department of Oral Surgery and Oral Medicine, Faculty of Dentistry, University of Oslo, Oslo, Norway
2. Department of Biomaterials, Faculty of Dentistry, University of Oslo, Oslo, Norway
3. Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, NTNU—Norwegian University of Science and Technology, Trondheim, Norway
4. Department of Endocrinology, Clinic of medicine, St. Olavs University Hospital, Trondheim, Norway
5. Oral Research Laboratory, Faculty of Dentistry, University of Oslo, Oslo, Norway