[1] Servei de Neurologia,
[2] Hospital Clínic,undefined
[3] Villarroel 170,undefined
[4] Barcelona 08036,undefined
[5] Spain. asaiz@clinic.ub.es,undefined
[6] Immunology,undefined
[7] Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS),undefined
[8] Hospital Clínic,undefined
[9] University of Barcelona,undefined
[10] Barcelona. Spain,undefined