1. HUNT Research Centre, Department of Public Health and Nursing, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology , Levanger, Norway
2. K.G. Jebsen Center for Genetic Epidemiology, Department of Public Health and Nursing, Norwegian University of Science and Technology , Trondheim, Norway
3. Department of Endocrinology, Clinic of Medicine, St. Olavs Hospital, Trondheim University Hospital , Trondheim, Norway
4. Levanger Hospital, Nord-Trøndelag Hospital Trust , Levanger, Norway
5. Department of Public Health and Nursing, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology , Trondheim, Norway
6. Norwegian National Advisory Unit on Ageing and Health (Ageing and Health) , Tønsberg, Norway
7. Department of Medicine and Rehabilitation, Levanger Hospital, Nord-Trøndelag Hospital Trust , Levanger, Norway
8. Clinic of Medicine, St. Olavs Hospital, Trondheim University Hospital , Trondheim, Norway
9. Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology , Trondheim, Norway
10. Department of Health and Social Services, Trondheim Municipality , Trondheim, Norway
11. Faculty of Nursing and Health Sciences, Nord University , Levanger, Norway
12. Department of Geriatric Medicine, Oslo University Hospital , Oslo, Norway
13. Faculty of Medicine, University of Oslo , Oslo, Norway