1. Neuroradiology Unit Fondazione IRCCS Istituto Neurologico Carlo Besta Milan Italy
2. National Prion Disease Pathology Surveillance Center Case Western Reserve University, School of Medicine Cleveland OH
3. Dipartimento di Scienze Biomediche e Neuromotorie Università di Bologna Bologna Italy
4. IRCCS Istituto delle Scienze Neurologiche di Bologna Bologna Italy
5. Department of Pathology Case Western Reserve University, School of Medicine Cleveland OH
6. Department of Neurology, University Hospitals Cleveland Medical Center Case Western Reserve University Cleveland OH
7. Department of Mathematics Jean Leray CNRS (National Center for Scientific Research) Nantes France
8. National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention Atlanta GA
9. Department of Psychiatry, University Hospitals Cleveland Medical Center Case Western Reserve University Cleveland OH