A Saiz1, J Bruna2, P Stourac3, M C Vigliani4, B Giometto5, W Grisold6, J Honnorat7, D Psimaras8, R Voltz9, F Graus11Service of Neurology, Institut d’Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Hospital Clínic, Barcelona, Spain 2Service of Neurology, Hospital Universitari de Bellvitge, Hospitalet, Barcelona, Spain 3Department of Neurology, Masaryk University, Brno, Czech Republic 4Departme