1. National CJD Research & Surveillance Unit, Western General Hospital; University of Edinburgh; Edinburgh Scotland United Kingdom
2. Department of Neurological Sciences; National Institute of Health; Rome Italy
3. Institute of Neurological Sciences; Scientific Institute for Research, Hospitalization and Health Care; Bologna Italy
4. Department of Neurodegenerative Diseases; Scientific Institute for Research, Hospitalization and Health Care, Carlo Besta Neurological Institute; Milan Italy
5. Sorbonne Universities; Pierre and Marie Curie University, Brain and Spine Institute; Paris, France
6. National Reference Centre for Unconventional Transmissible Agents; Paris France
7. Center for Neuropathology and Prion Research; Ludwig Maximilian University; Munich Germany
8. Department of Neurology, Institute of Born Bunge; University of Antwerp; Antwerp Belgium
9. Florey Institute of Neuroscience and Mental Health; University of Melbourne; Melbourne Victoria Australia
10. Department of Molecular Microbiology and Immunology; Nagasaki University Graduate School of Biomedical Sciences; Nagasaki Japan
11. Prion Laboratory Section, Public Health Agency of Canada; Winnipeg Manitoba Canada
12. Department of Neurology, University Medical Center and German Center for Neurodegenerative Diseases; University of Göttingen; Göttingen Germany
13. Department of Medicine; University of Melbourne; Melbourne Victoria Australia
14. APHP, Pitié-Salpêtrière Hospital; Paris France
15. Department of Biomedical and Neuromotor Sciences, University of Bologna; Italy