1. Department of Clinical Science, Neurosciences Umeå University Umeå Sweden
2. Department of Clinical Neuroscience Karolinska Institute Stockholm Sweden
3. Center for Molecular Medicine Karolinska University Hospital Stockholm Sweden
4. Department of Public Health and Clinical Medicine, Unit of Research, Education, and Development Östersund Hospital, Umeå University Umeå Sweden
5. Department of Neurology Skåne University Hospital in Malmö/Lund and Department of Clinical Sciences, Neurology, Lund University Lund Sweden
6. Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
7. Department of Neurology, Faculty of Medicine and Health Örebro University Örebro Sweden
8. Department of Neurology and Department of Biomedical and Clinical Sciences Linköping University Linköping Sweden
9. Department of Medical Biosciences, Clinical Chemistry Umeå University Umeå Sweden