1. Institute of Experimental NeurologyUniversità Vita‐Salute, Ospedale S. Raffaele Milan Italy
2. Unit of NeuroepidemiologyFondazione IRCCS Istituto Neurologico C. Besta Milan Italy
3. Unit of NeurologyIRCCS Neuromed Pozzilli Italy
4. Laboratory of Synaptic ImmunopathologyDepartment of Systems MedicineTor Vergata University Rome Italy
5. MS Centre of Catalonia (Cemcat), Dept. Neurology/NeuroimmunologyPreventive Medicine Dept.Vall d'Hebron University Hospital Barcelona Spain