1. Department of Forensic Medicine; University of Tampere; Tampere Finland
2. Department of Neurosciences and Rehabilitation; Tampere University Hospital; Tampere Finland
3. Department of Immunology, Genetics and Pathology; Rudbeck Laboratory; Uppsala University; Uppsala Sweden
4. Department of Pathology; Uppsala University Hospital; Uppsala Sweden
5. Unit of Neurology; Institute of Clinical Medicine; University of Eastern Finland; Kuopio Finland