[1] Hop Edouard Herriot, Serv Anat Pathol, Lyon, France
[2] Hop Neurol & Neurochirurg, Ctr Diagnost Traitement & Prevent Malad Prions, Lyon, France
[3] Hop Neurol & Neurochirurg, Serv Neuropathol Biochim, Lyon, France
[4] CHU Grenoble, Serv Neurol, F-38043 Grenoble, France
[5] Hop Neurol & Neurochirurg, Serv Neurol D, Lyon, France