1. Department of Neuroscience; Uppsala University; Uppsala Sweden
2. Department of Neurology; Uppsala University Hospital; Uppsala Sweden
3. Department of Immunology; Genetics and Pathology; Uppsala University; Uppsala Sweden
4. Department of Psychiatry and Neurochemistry; the Sahlgrenska Academy at the University of Gothenburg; Mölndal Sweden
5. UCL Institute of Neurology; London UK
6. Department of Radiology; Uppsala University; Uppsala Sweden