1. Department of Neurology, University Hospital Zurich (USZ), CH-8091 Zurich, Switzerland
2. Neuroimmunology Unit and Institute of Experimental Neurology IRCCS San Raffaele Milano, I-20132 Milano, Italy
3. Vascular Neurology, Dementia and Ageing Research, Department of Neurology, University Hospital Essen, D-45122 Essen, Germany