1. Department of Neurology; Ludwig-Maximilians-Universität; Munich Germany
2. Department of Psychiatry; Ludwig-Maximilians-Universität; Munich Germany
3. Canadian Creutzfeldt-Jakob Disease (CJD) Surveillance System and Prion Diseases Program; Ottawa Canada
4. Department of Pathology and Lab Medicine; University of Ottawa; Ottawa Canada
5. National Reference Centre for the Surveillance of Transmissible Spongiform Encephalopathies; Ludwig-Maximilians-Universität; Munich Germany
6. Department of Nuclear Medicine; Technische Universität; Munich Germany
7. Department of Nuclear Medicine; Ludwig-Maximilians-Universität; Munich Germany