1. Department of Neurology University Hospital Heidelberg Germany
2. Department of Clinical and Movement Neurosciences UCL Queen Square Institute of Neurology London UK
3. Neuroimmunology Program, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) Universitat de Barcelona Barcelona Spain
4. Service of Neurology Hospital Clinic de Barcelona Barcelona Spain
5. Department of Neurology University of Pennsylvania Philadelphia Pennsylvania USA
6. Centro de Investigación Biomédica en Red de Enfermedades Raras Barcelona Spain
7. Institució Catalana de Recerca i Estudis Avançats (ICREA) Barcelona Spain