1. Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, Bologna, Italy
2. IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
3. Fondazione IRCCS Istituto Neurologico Carlo Besta, Unità Operativa di Neuropatologia, Milan, Italy
4. Department of Neurological Science, Tohoku University Graduate School of Medicine, Sendai, Japan
5. National CJD Research & Surveillance Unit, Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, United Kingdom
6. Zentrum für Neuropathologie und Prionforschung, Ludwig-Maximilians-Universität, Munich, Germany