1. Institute of Neurology, Medical University of Vienna, and Austrian Reference Center for Human Prion Diseases; Vienna Austria
2. Prion Disease Laboratory, Pathology and Biochemistry; Groupement Hospitalier Est, Hospices Civils de Lyon/Claude Bernard University; Lyon France
3. Institut NeuroMyogène CNRS UMR 5310 - INSERM U1217; Lyon France
4. Centre de Recherche en Neurosciences de Lyon (Laboratoire BioRaN); Université Claude Bernard Lyon 1 - CNRS UMR5292 - INSERM U1028; Lyon France
5. Department of Molecular Pathology and Neuropathology; Medical University of Lodz; Lodz Poland
6. Institute of Neuropathology, University Hospital Zurich; Zurich Switzerland