1. National CJD Research & Surveillance Unit, Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, United Kingdom
2. National Reference Centre for TSE, Department of Neurology, University Medical Centre Göttingen, Göttingen, Germany
3. Registry of Creutzfeldt-Jakob Disease, Department of Neuroscience, Istituto Superiore di Sanità, Rome, Italy
4. Cellule Nationale de référence des MCJ, Groupe Hospitalier Pitié-Salpêtrière, Paris Cedex 13, France
5. IRCCS Istituto delle Scienze Neurologiche di Bologna, Programma Neuropatologia delle Malattie Neurodegenerative, Bologna, Italy
6. Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
7. Neurology 5/Neuropathology Unit, Fondazione IRCCS Istituto Neurologico C. Besta, Milan, Italy
8. Institute of Neuropathology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
9. SC Neurologia 1, Ospedale Maria Vittoria, Torino, Italy
10. Department of Neurosciences, Biomedicine, and Movement Sciences, University of Verona, Policlinico G.B. Rossi, Verona, Italy