1. National Centre of Epidemiology - Consortium for Biomedical Research in Neurodegenerative Diseases (Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas – CIBERNED), Carlos III Institute of Health, Madrid, Spain
2. Institut National de la Santé et de la Recherche Médicale (INSERM) UMRS 975, National CJD Surveillance Network, Assistance publique - Hôpitaux de Paris (APHP), National Reference Centre for CJD, Pitié-Salpêtrière Hospital Group, Paris, France
3. Department of Neurology, National Reference Centre for TSE, Georg-August University, Göttingen, Germany
4. Alameda Epidemiology and Health Statistics Department, Lisbon, Portugal
5. Department of Pathology, University of Melbourne, Melbourne, Australia
6. Institute of Neuropathology, Zurich University Hospital, Zurich, Switzerland
7. Institute of Neurology, Vienna Medical University, Vienna, Austria
8. Department of Neurology, Barzilai Medical Centre, Ashkelon, Israel
9. National Reference Centre for Human Prion Diseases, Semmelweis University, Budapest, Hungary
10. Department of Cell Biology and Neurosciences, Health Institute, Rome, Italy
11. Department of Prion Diseases, Slovak Medical University Research Base, Bratislava, Slovakia
12. National CJD Research and Surveillance Unit, Western General Hospital, Edinburgh, United Kingdom
13. Department of Public Health, Jichi Medical University, Shimotsuke, Japan
14. Institute of Pathology, Medical Faculty, University of Ljubljana, Ljubljana, Slovenia
15. Department of Neuropathology/FLENI, Referral Centre for CJD and other TSEs, Institute for Neurological Research, Buenos Aires, Argentina
16. National Surveillance of CJD, Erasmus MC, Rotterdam, The Netherlands
17. Neurology Department, Kanazawa University Hospital, Kanazawa, Japan