1. Danish Reference Center for Prion Diseases, Department of Pathology, Copenhagen University Hospital, Copenhagen, Denmark
2. Department of Neurology, Regional Dementia Research Centre, Zealand University Hospital, Roskilde, Denmark
3. Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
4. IRCCS Istituto delle Scienze Neurologiche di Bologna, Ospedale Bellaria, Bologna, Italia
5. Department of Pathology, Zealand University Hospital, Roskilde, Denmark
6. Department of Experimental, Diagnostic, and Specialty Medicine (DIMES)
7. Department of Biomedical and Neuromotor Sciences (DIBINEM), University of Bologna, Bologna, Italy