1. Division of Neurology Department of Biomedical and Clinical Sciences Faculty of Medicine and Health Sciences Linköping University Linköping Sweden
2. Department of Radiation Physics Department of Health, Medicine and Caring Sciences Linköping University Linköping Sweden
3. Centre for Medical Image Science and Visualization (CMIV) Linköping University Linköping Sweden
4. Department of Clinical Neuroscience Karolinska Institute Stockholm Sweden
5. Division of Society and Health, Department of Health, Medicine and Caring Sciences Linköping University Linköping Sweden