1. Inserm, U913, Nantes, France
2. Department of Neurology, CHU de Nantes, France
3. Université de Nantes, Faculté de Médecine, Nantes, France
4. MRC Centre for Neurodegeneration Research, Department of Neuroscience, King's College London, Institute of Psychiatry, London, UK
5. Laboratoire de Neuropathologie R. Escourolle, Hôpital de la Salpêtrière, Paris Cedex 13, France