1. Department of Endocrinology, Aalborg University Hospital, Aalborg, Denmark.
2. Department of Clinical Biochemistry, Aalborg University Hospital, Aalborg, Denmark.
3. Department of Geriatrics, Aalborg University Hospital, Aalborg, Denmark.
4. Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.
5. Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark.