1. Riks-Stroke, Medicine, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
2. Department of Medicine, Enköping Hospital, Enköping, Sweden
3. Department of Neurology, University Hospital, Örebro, Sweden
4. Stroke-Riksförbundet, Stockholm, Sweden
5. Department of Neurology, University Hospital, Lund, Sweden
6. Epidemiologic Center, National Board of Health and Welfare, Stockholm, Sweden
7. Department of Medicine, Uppsala University Hospital, Uppsala, Sweden