1. Department of Clinical Sciences Lund, Neurology; Lund University; Lund Sweden
2. Department of Neurology and Rehabilitation Medicine; Skåne University Hospital; Lund Sweden
3. Unit for Medical Statistics and Epidemiology; Skåne University Hospital, Clinical Studies Sweden - Forum South; Lund Sweden
4. Department of Clinical Sciences, Cardiology; Lund University; Lund Sweden
5. University Clinic, St. Petersburg State University; St. Petersburg Russia
6. Department of Health Sciences; Lund University; Lund Sweden
7. Department of Technology and Society; Faculty of Engineering; Lund University; Lund Sweden