1. Department of Geriatric Medicine, Aalborg University Hospital, Aalborg, Denmark
2. Department of Geriatric Medicine, Nykøbing Falster Hospital, Nykøbing Falster, Denmark
3. Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
4. Department of Cardiology, Gentofte Hospital, Hellerup, Denmark
5. National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark
6. The Heart Centre, Rigshospitalet, Copenhagen, Denmark
7. Institute of Health, Science and Technology, Aalborg University, Aalborg, Denmark