1. Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
2. Department of Circulation and Medical Imaging, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
3. Clinic of Cardiology, St Olav's Hospital, Trondheim, Norway
4. Department of Public Health and General Practice, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
5. Department of Neuroscience and Movement Science, Norwegian University of Science and Technology, Trondheim, Norway
6. Stroke Unit, Department of Internal Medicine, St Olav's Hospital, Trondheim, Norway
7. Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA
8. Regional Center for Health Care Improvement, St Olav's Hospital, Trondheim, Norway