1. Center for Oral Health Services and Research Mid‐Norway (TkMidt) Trondheim Norway
2. Department of Public Health and Nursing Norwegian University of Science and Technology Trondheim Norway
3. Department of Clinical and Molecular Medicine, NTNU Norwegian University of Science and Technology Trondheim Norway
4. Department of Neuromedicine and Movement Science, NTNU Norwegian University of Science and Technology Trondheim Norway
5. Department of Geriatrics Clinic of Medicine, St. Olavs Hospital Trondheim Norway
6. Norwegian National Centre for Ageing and Health, Vestfold Hospital Trust Tønsberg Norway
7. Department of Geriatric Medicine Oslo University Hospital Oslo Norway
8. Institute of Clinical Medicine, Faculty of Medicine University of Oslo Oslo Norway
9. HUNT Research Centre, Department of Public Health and Nursing NTNU, Norwegian University of Science and Technology Levanger Norway
10. Levanger Hospital, Nord‐Trøndelag Hospital Trust Levanger Norway
11. School of Epidemiology and Public Health, Faculty of Medicine University of Ottawa Ottawa Ontario Canada
12. Department of Pathology Clinic of Laboratory Medicine, St. Olavs Hospital Trondheim Norway