A A Fouchard1, J Biberon2, K Mondon3, B de Toffol4. 1. Department of Neurology, University Hospital Centre of Tours, France; Université François Rabelais, Tours, France. Electronic address: aa.fouchard@gmail.com. 2. Department of Neurology, University Hospital Centre of Tours, France; Université François Rabelais, Tours, France. Electronic address: julien.biberon@gmail.com. 3. Université François Rabelais, Tours, France; INSERM U930, Tours, France; Memory Clinic, University Hospital Centre of Tours, France. Electronic address: karl.mondon@univ-tours.fr. 4. Department of Neurology, University Hospital Centre of Tours, France; Université François Rabelais, Tours, France; INSERM U930, Tours, France. Electronic address: detoffol@med.univ-tours.fr.