1. Department of Neuropathology, University Medical Center, Robert-Koch-Straße 40; Göttingen D-37075 Germany
2. Department of Anatomy, University Medical Center, Kreuzbergring 36; Göttingen D-37075 Germany
3. Neuroimmunology unit, 3801 University Street; Montreal Canada
4. Department of Neurology, Sydney Medical School; University of Sydney; Sydney NSW 2006 Australia
5. Department of Anatomy and Human Brain Tissue Bank, Tüzoltó utca 58; Budapest Hungary